Rollup merge of #100081 - RalfJung:unused-unsafe-in-unsafe-fn, r=jackh726
never consider unsafe blocks unused if they would be required with deny(unsafe_op_in_unsafe_fn) Judging from https://github.com/rust-lang/rust/issues/71668#issuecomment-1200317370 the consensus nowadays seems to be that we should never consider an unsafe block unused if it was required with `deny(unsafe_op_in_unsafe_fn)`, no matter whether that lint is actually enabled or not. So let's adjust rustc accordingly. The first commit does the change, the 2nd does some cleanup.
This commit is contained in:
Dylan DPC
GitHub
commit
2fe2975391
11 changed files with 134 additions and 695 deletions
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@ -566,7 +566,7 @@ impl Drop for DiagnosticBuilderInner<'_> {
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),
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));
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handler.emit_diagnostic(&mut self.diagnostic);
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panic!();
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panic!("error was constructed but not emitted");
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}
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}
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// `.emit()` was previously called, or maybe we're during `.cancel()`.
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@ -2,7 +2,7 @@
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use crate::mir::{Body, ConstantKind, Promoted};
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use crate::ty::{self, OpaqueHiddenType, Ty, TyCtxt};
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use rustc_data_structures::fx::FxHashMap;
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use rustc_data_structures::fx::FxHashSet;
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use rustc_data_structures::vec_map::VecMap;
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use rustc_errors::ErrorGuaranteed;
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use rustc_hir as hir;
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@ -115,21 +115,6 @@ pub enum UnusedUnsafe {
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/// `unsafe` block nested under another (used) `unsafe` block
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/// > ``… because it's nested under this `unsafe` block``
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InUnsafeBlock(hir::HirId),
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/// `unsafe` block nested under `unsafe fn`
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/// > ``… because it's nested under this `unsafe fn` ``
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///
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/// the second HirId here indicates the first usage of the `unsafe` block,
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/// which allows retrieval of the LintLevelSource for why that operation would
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/// have been permitted without the block
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InUnsafeFn(hir::HirId, hir::HirId),
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}
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#[derive(Copy, Clone, PartialEq, TyEncodable, TyDecodable, HashStable, Debug)]
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pub enum UsedUnsafeBlockData {
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SomeDisallowedInUnsafeFn,
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// the HirId here indicates the first usage of the `unsafe` block
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// (i.e. the one that's first encountered in the MIR traversal of the unsafety check)
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AllAllowedInUnsafeFn(hir::HirId),
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}
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#[derive(TyEncodable, TyDecodable, HashStable, Debug)]
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@ -138,10 +123,7 @@ pub struct UnsafetyCheckResult {
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pub violations: Vec<UnsafetyViolation>,
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/// Used `unsafe` blocks in this function. This is used for the "unused_unsafe" lint.
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///
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/// The keys are the used `unsafe` blocks, the UnusedUnsafeKind indicates whether
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/// or not any of the usages happen at a place that doesn't allow `unsafe_op_in_unsafe_fn`.
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pub used_unsafe_blocks: FxHashMap<hir::HirId, UsedUnsafeBlockData>,
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pub used_unsafe_blocks: FxHashSet<hir::HirId>,
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/// This is `Some` iff the item is not a closure.
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pub unused_unsafes: Option<Vec<(hir::HirId, UnusedUnsafe)>>,
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@ -75,11 +75,12 @@ impl<'tcx> UnsafetyVisitor<'_, 'tcx> {
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match self.safety_context {
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SafetyContext::BuiltinUnsafeBlock => {}
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SafetyContext::UnsafeBlock { ref mut used, .. } => {
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if !self.body_unsafety.is_unsafe() || !unsafe_op_in_unsafe_fn_allowed {
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// Mark this block as useful
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// Mark this block as useful (even inside `unsafe fn`, where it is technically
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// redundant -- but we want to eventually enable `unsafe_op_in_unsafe_fn` by
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// default which will require those blocks:
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// https://github.com/rust-lang/rust/issues/71668#issuecomment-1203075594).
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*used = true;
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}
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}
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SafetyContext::UnsafeFn if unsafe_op_in_unsafe_fn_allowed => {}
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SafetyContext::UnsafeFn => {
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let (description, note) = kind.description_and_note(self.tcx);
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@ -1,17 +1,16 @@
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use rustc_data_structures::fx::FxHashMap;
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use rustc_data_structures::fx::FxHashSet;
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use rustc_errors::struct_span_err;
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use rustc_hir as hir;
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use rustc_hir::def_id::{DefId, LocalDefId};
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use rustc_hir::hir_id::HirId;
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use rustc_hir::intravisit;
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use rustc_middle::mir::visit::{MutatingUseContext, PlaceContext, Visitor};
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use rustc_middle::mir::*;
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use rustc_middle::ty::query::Providers;
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use rustc_middle::ty::{self, TyCtxt};
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use rustc_middle::{lint, mir::*};
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use rustc_session::lint::builtin::{UNSAFE_OP_IN_UNSAFE_FN, UNUSED_UNSAFE};
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use rustc_session::lint::Level;
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use std::collections::hash_map;
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use std::ops::Bound;
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pub struct UnsafetyChecker<'a, 'tcx> {
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@ -23,10 +22,7 @@ pub struct UnsafetyChecker<'a, 'tcx> {
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param_env: ty::ParamEnv<'tcx>,
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/// Used `unsafe` blocks in this function. This is used for the "unused_unsafe" lint.
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///
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/// The keys are the used `unsafe` blocks, the UnusedUnsafeKind indicates whether
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/// or not any of the usages happen at a place that doesn't allow `unsafe_op_in_unsafe_fn`.
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used_unsafe_blocks: FxHashMap<HirId, UsedUnsafeBlockData>,
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used_unsafe_blocks: FxHashSet<HirId>,
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}
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impl<'a, 'tcx> UnsafetyChecker<'a, 'tcx> {
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@ -130,10 +126,7 @@ impl<'tcx> Visitor<'tcx> for UnsafetyChecker<'_, 'tcx> {
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&AggregateKind::Closure(def_id, _) | &AggregateKind::Generator(def_id, _, _) => {
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let UnsafetyCheckResult { violations, used_unsafe_blocks, .. } =
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self.tcx.unsafety_check_result(def_id);
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self.register_violations(
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violations,
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used_unsafe_blocks.iter().map(|(&h, &d)| (h, d)),
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);
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self.register_violations(violations, used_unsafe_blocks.iter().copied());
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}
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},
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_ => {}
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@ -257,22 +250,8 @@ impl<'tcx> UnsafetyChecker<'_, 'tcx> {
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fn register_violations<'a>(
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&mut self,
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violations: impl IntoIterator<Item = &'a UnsafetyViolation>,
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new_used_unsafe_blocks: impl IntoIterator<Item = (HirId, UsedUnsafeBlockData)>,
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new_used_unsafe_blocks: impl IntoIterator<Item = HirId>,
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) {
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use UsedUnsafeBlockData::{AllAllowedInUnsafeFn, SomeDisallowedInUnsafeFn};
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let update_entry = |this: &mut Self, hir_id, new_usage| {
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match this.used_unsafe_blocks.entry(hir_id) {
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hash_map::Entry::Occupied(mut entry) => {
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if new_usage == SomeDisallowedInUnsafeFn {
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*entry.get_mut() = SomeDisallowedInUnsafeFn;
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}
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}
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hash_map::Entry::Vacant(entry) => {
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entry.insert(new_usage);
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}
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};
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};
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let safety = self.body.source_scopes[self.source_info.scope]
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.local_data
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.as_ref()
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@ -299,22 +278,14 @@ impl<'tcx> UnsafetyChecker<'_, 'tcx> {
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}
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}),
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Safety::BuiltinUnsafe => {}
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Safety::ExplicitUnsafe(hir_id) => violations.into_iter().for_each(|violation| {
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update_entry(
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self,
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hir_id,
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match self.tcx.lint_level_at_node(UNSAFE_OP_IN_UNSAFE_FN, violation.lint_root).0
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{
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Level::Allow => AllAllowedInUnsafeFn(violation.lint_root),
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_ => SomeDisallowedInUnsafeFn,
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},
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)
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Safety::ExplicitUnsafe(hir_id) => violations.into_iter().for_each(|_violation| {
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self.used_unsafe_blocks.insert(hir_id);
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}),
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};
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new_used_unsafe_blocks
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.into_iter()
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.for_each(|(hir_id, usage_data)| update_entry(self, hir_id, usage_data));
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new_used_unsafe_blocks.into_iter().for_each(|hir_id| {
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self.used_unsafe_blocks.insert(hir_id);
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});
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}
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fn check_mut_borrowing_layout_constrained_field(
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&mut self,
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@ -411,34 +382,28 @@ enum Context {
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struct UnusedUnsafeVisitor<'a, 'tcx> {
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tcx: TyCtxt<'tcx>,
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used_unsafe_blocks: &'a FxHashMap<HirId, UsedUnsafeBlockData>,
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used_unsafe_blocks: &'a FxHashSet<HirId>,
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context: Context,
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unused_unsafes: &'a mut Vec<(HirId, UnusedUnsafe)>,
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}
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impl<'tcx> intravisit::Visitor<'tcx> for UnusedUnsafeVisitor<'_, 'tcx> {
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fn visit_block(&mut self, block: &'tcx hir::Block<'tcx>) {
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use UsedUnsafeBlockData::{AllAllowedInUnsafeFn, SomeDisallowedInUnsafeFn};
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if let hir::BlockCheckMode::UnsafeBlock(hir::UnsafeSource::UserProvided) = block.rules {
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let used = match self.tcx.lint_level_at_node(UNUSED_UNSAFE, block.hir_id) {
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(Level::Allow, _) => Some(SomeDisallowedInUnsafeFn),
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_ => self.used_unsafe_blocks.get(&block.hir_id).copied(),
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(Level::Allow, _) => true,
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_ => self.used_unsafe_blocks.contains(&block.hir_id),
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};
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let unused_unsafe = match (self.context, used) {
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(_, None) => UnusedUnsafe::Unused,
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(Context::Safe, Some(_))
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| (Context::UnsafeFn(_), Some(SomeDisallowedInUnsafeFn)) => {
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(_, false) => UnusedUnsafe::Unused,
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(Context::Safe, true) | (Context::UnsafeFn(_), true) => {
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let previous_context = self.context;
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self.context = Context::UnsafeBlock(block.hir_id);
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intravisit::walk_block(self, block);
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self.context = previous_context;
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return;
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}
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(Context::UnsafeFn(hir_id), Some(AllAllowedInUnsafeFn(lint_root))) => {
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UnusedUnsafe::InUnsafeFn(hir_id, lint_root)
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}
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(Context::UnsafeBlock(hir_id), Some(_)) => UnusedUnsafe::InUnsafeBlock(hir_id),
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(Context::UnsafeBlock(hir_id), true) => UnusedUnsafe::InUnsafeBlock(hir_id),
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};
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self.unused_unsafes.push((block.hir_id, unused_unsafe));
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}
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@ -462,7 +427,7 @@ impl<'tcx> intravisit::Visitor<'tcx> for UnusedUnsafeVisitor<'_, 'tcx> {
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fn check_unused_unsafe(
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tcx: TyCtxt<'_>,
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def_id: LocalDefId,
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used_unsafe_blocks: &FxHashMap<HirId, UsedUnsafeBlockData>,
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used_unsafe_blocks: &FxHashSet<HirId>,
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) -> Vec<(HirId, UnusedUnsafe)> {
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let body_id = tcx.hir().maybe_body_owned_by(def_id);
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@ -535,25 +500,6 @@ fn report_unused_unsafe(tcx: TyCtxt<'_>, kind: UnusedUnsafe, id: HirId) {
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"because it's nested under this `unsafe` block",
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);
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}
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UnusedUnsafe::InUnsafeFn(id, usage_lint_root) => {
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db.span_label(
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tcx.sess.source_map().guess_head_span(tcx.hir().span(id)),
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"because it's nested under this `unsafe` fn",
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)
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.note(
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"this `unsafe` block does contain unsafe operations, \
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but those are already allowed in an `unsafe fn`",
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);
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let (level, source) =
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tcx.lint_level_at_node(UNSAFE_OP_IN_UNSAFE_FN, usage_lint_root);
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assert_eq!(level, Level::Allow);
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lint::explain_lint_level_source(
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UNSAFE_OP_IN_UNSAFE_FN,
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Level::Allow,
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source,
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&mut db,
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);
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}
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}
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db.emit();
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@ -22,7 +22,7 @@ fn bad1() { unsafe {} } //~ ERROR: unnecessary `unsafe` block
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fn bad2() { unsafe { bad1() } } //~ ERROR: unnecessary `unsafe` block
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unsafe fn bad3() { unsafe {} } //~ ERROR: unnecessary `unsafe` block
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fn bad4() { unsafe { callback(||{}) } } //~ ERROR: unnecessary `unsafe` block
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unsafe fn bad5() { unsafe { unsf() } } //~ ERROR: unnecessary `unsafe` block
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unsafe fn bad5() { unsafe { unsf() } }
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fn bad6() {
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unsafe { // don't put the warning here
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unsafe { //~ ERROR: unnecessary `unsafe` block
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@ -31,7 +31,7 @@ fn bad6() {
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}
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}
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unsafe fn bad7() {
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unsafe { //~ ERROR: unnecessary `unsafe` block
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unsafe {
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unsafe { //~ ERROR: unnecessary `unsafe` block
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unsf()
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}
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|
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@ -30,14 +30,6 @@ error: unnecessary `unsafe` block
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LL | fn bad4() { unsafe { callback(||{}) } }
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| ^^^^^^ unnecessary `unsafe` block
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error: unnecessary `unsafe` block
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--> $DIR/lint-unused-unsafe-thir.rs:25:20
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|
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LL | unsafe fn bad5() { unsafe { unsf() } }
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| ---------------- ^^^^^^ unnecessary `unsafe` block
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| |
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| because it's nested under this `unsafe` fn
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error: unnecessary `unsafe` block
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--> $DIR/lint-unused-unsafe-thir.rs:28:9
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|
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@ -54,13 +46,5 @@ LL | unsafe {
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LL | unsafe {
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| ^^^^^^ unnecessary `unsafe` block
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error: unnecessary `unsafe` block
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--> $DIR/lint-unused-unsafe-thir.rs:34:5
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|
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LL | unsafe fn bad7() {
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| ---------------- because it's nested under this `unsafe` fn
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LL | unsafe {
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| ^^^^^^ unnecessary `unsafe` block
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error: aborting due to 8 previous errors
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error: aborting due to 6 previous errors
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|
|
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|
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@ -28,17 +28,6 @@ error: unnecessary `unsafe` block
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LL | fn bad4() { unsafe { callback(||{}) } }
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| ^^^^^^ unnecessary `unsafe` block
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error: unnecessary `unsafe` block
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--> $DIR/lint-unused-unsafe.rs:30:20
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|
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LL | unsafe fn bad5() { unsafe { unsf() } }
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| ---------------- ^^^^^^ unnecessary `unsafe` block
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| |
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| because it's nested under this `unsafe` fn
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|
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= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
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= note: `#[allow(unsafe_op_in_unsafe_fn)]` on by default
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error: unnecessary `unsafe` block
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--> $DIR/lint-unused-unsafe.rs:32:5
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|
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|
|
@ -51,17 +40,6 @@ error: unnecessary `unsafe` block
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LL | unsafe {
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| ^^^^^^ unnecessary `unsafe` block
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|
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error: unnecessary `unsafe` block
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--> $DIR/lint-unused-unsafe.rs:40:9
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|
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LL | unsafe fn bad7() {
|
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| ---------------- because it's nested under this `unsafe` fn
|
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LL | unsafe {
|
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LL | unsafe {
|
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| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
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|
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error: unnecessary `unsafe` block
|
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--> $DIR/lint-unused-unsafe.rs:74:9
|
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|
|
||||
|
|
@ -272,91 +250,32 @@ error: unnecessary `unsafe` block
|
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LL | unsafe {
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| ^^^^^^ unnecessary `unsafe` block
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error: unnecessary `unsafe` block
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--> $DIR/lint-unused-unsafe.rs:197:13
|
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|
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LL | unsafe fn granularity_2() {
|
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| ------------------------- because it's nested under this `unsafe` fn
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LL | unsafe {
|
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LL | unsafe { unsf() }
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
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= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
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note: the lint level is defined here
|
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--> $DIR/lint-unused-unsafe.rs:194:13
|
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|
|
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LL | #[allow(unsafe_op_in_unsafe_fn)]
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| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
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--> $DIR/lint-unused-unsafe.rs:198:13
|
||||
|
|
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LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | unsafe { unsf() }
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
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--> $DIR/lint-unused-unsafe.rs:199:13
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | unsafe { unsf() }
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:205:9
|
||||
|
|
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LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:203:13
|
||||
|
|
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LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:207:13
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
LL | unsf();
|
||||
LL | unsafe { unsf() }
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:208:13
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | unsafe { unsf() }
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:209:13
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | unsafe { unsf() }
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:220:17
|
||||
|
|
@ -398,19 +317,12 @@ LL | unsafe {
|
|||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:254:9
|
||||
--> $DIR/lint-unused-unsafe.rs:255:13
|
||||
|
|
||||
LL | unsafe fn granular_disallow_op_in_unsafe_fn_3() {
|
||||
| ----------------------------------------------- because it's nested under this `unsafe` fn
|
||||
LL | unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
LL | unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:252:13
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:268:13
|
||||
|
|
@ -630,91 +542,32 @@ error: unnecessary `unsafe` block
|
|||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:409:24
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:406:13
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:410:24
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:411:24
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:417:20
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:415:13
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:419:24
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
LL | unsf();
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:420:24
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:421:24
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:432:28
|
||||
|
|
@ -756,19 +609,12 @@ LL | let _ = || unsafe {
|
|||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:466:20
|
||||
--> $DIR/lint-unused-unsafe.rs:467:24
|
||||
|
|
||||
LL | unsafe fn granular_disallow_op_in_unsafe_fn_3() {
|
||||
| ----------------------------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:464:13
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:480:24
|
||||
|
|
@ -988,91 +834,32 @@ error: unnecessary `unsafe` block
|
|||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:622:24
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
LL | let _ = || unsafe { let _ = || unsf(); };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:619:13
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:623:24
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe { let _ = || unsf(); };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:624:24
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe { let _ = || unsf(); };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:630:20
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:628:13
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:632:24
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
LL | let _ = || unsf();
|
||||
LL | let _ = || unsafe { let _ = || unsf(); };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:633:24
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | let _ = || unsafe { let _ = || unsf(); };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:634:24
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | let _ = || unsafe { let _ = || unsf(); };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:645:28
|
||||
|
|
@ -1114,19 +901,12 @@ LL | let _ = || unsafe {
|
|||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:679:20
|
||||
--> $DIR/lint-unused-unsafe.rs:680:24
|
||||
|
|
||||
LL | unsafe fn granular_disallow_op_in_unsafe_fn_3() {
|
||||
| ----------------------------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:677:13
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:693:24
|
||||
|
|
@ -1256,91 +1036,32 @@ error: unnecessary `unsafe` block
|
|||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:784:28
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:781:17
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:785:28
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:786:28
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:792:24
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:790:17
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:794:28
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
LL | unsf();
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:795:28
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:796:28
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:807:32
|
||||
|
|
@ -1382,19 +1103,12 @@ LL | let _ = || unsafe {
|
|||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:841:24
|
||||
--> $DIR/lint-unused-unsafe.rs:842:28
|
||||
|
|
||||
LL | unsafe fn granular_disallow_op_in_unsafe_fn_3() {
|
||||
| ----------------------------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:839:17
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:855:28
|
||||
|
|
@ -1524,91 +1238,32 @@ error: unnecessary `unsafe` block
|
|||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:942:28
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:939:17
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:943:28
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:944:28
|
||||
|
|
||||
LL | unsafe fn granularity_2() {
|
||||
| ------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:950:24
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:948:17
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:952:28
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
LL | unsf();
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:953:28
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:954:28
|
||||
|
|
||||
LL | unsafe fn top_level_used_2() {
|
||||
| ---------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | let _ = || unsafe { unsf() };
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:965:32
|
||||
|
|
@ -1650,19 +1305,12 @@ LL | let _ = || unsafe {
|
|||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:999:24
|
||||
--> $DIR/lint-unused-unsafe.rs:1000:28
|
||||
|
|
||||
LL | unsafe fn granular_disallow_op_in_unsafe_fn_3() {
|
||||
| ----------------------------------------------- because it's nested under this `unsafe` fn
|
||||
LL | let _ = || unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:997:17
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:1013:28
|
||||
|
|
@ -1672,21 +1320,6 @@ LL | let _ = || unsafe {
|
|||
LL | let _ = || unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:1044:9
|
||||
|
|
||||
LL | unsafe fn multiple_unsafe_op_in_unsafe_fn_allows() {
|
||||
| -------------------------------------------------- because it's nested under this `unsafe` fn
|
||||
LL | unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:1045:21
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:1059:29
|
||||
|
|
||||
|
|
@ -1726,87 +1359,32 @@ error: unnecessary `unsafe` block
|
|||
LL | let _ = async { unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:1074:33
|
||||
|
|
||||
LL | async unsafe fn async_blocks() {
|
||||
| ------------------------------ because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = async { unsafe { let _ = async { unsf() }; }};
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/lint-unused-unsafe.rs:1071:17
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:1075:33
|
||||
|
|
||||
LL | async unsafe fn async_blocks() {
|
||||
| ------------------------------ because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = async { unsafe { let _ = async { unsf() }; }};
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:1076:33
|
||||
|
|
||||
LL | async unsafe fn async_blocks() {
|
||||
| ------------------------------ because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = async { unsafe { let _ = async { unsf() }; }};
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:1078:29
|
||||
|
|
||||
LL | async unsafe fn async_blocks() {
|
||||
| ------------------------------ because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = async { unsafe {
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:1080:33
|
||||
|
|
||||
LL | async unsafe fn async_blocks() {
|
||||
| ------------------------------ because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | let _ = async { unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
LL | let _ = async { unsf() };
|
||||
LL | let _ = async { unsafe { let _ = async { unsf() }; }};
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:1081:33
|
||||
|
|
||||
LL | async unsafe fn async_blocks() {
|
||||
| ------------------------------ because it's nested under this `unsafe` fn
|
||||
LL | let _ = async { unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | let _ = async { unsafe { let _ = async { unsf() }; }};
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:1082:33
|
||||
|
|
||||
LL | async unsafe fn async_blocks() {
|
||||
| ------------------------------ because it's nested under this `unsafe` fn
|
||||
LL | let _ = async { unsafe {
|
||||
| ------ because it's nested under this `unsafe` block
|
||||
...
|
||||
LL | let _ = async { unsafe { let _ = async { unsf() }; }};
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/lint-unused-unsafe.rs:1092:22
|
||||
|
|
@ -1820,5 +1398,5 @@ error: unnecessary `unsafe` block
|
|||
LL | let _x: [(); unsafe { unsafe { size() } }] = [];
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: aborting due to 201 previous errors
|
||||
error: aborting due to 174 previous errors
|
||||
|
||||
|
|
|
|||
|
|
@ -27,7 +27,7 @@ fn bad1() { unsafe {} } //~ ERROR: unnecessary `unsafe` block
|
|||
fn bad2() { unsafe { bad1() } } //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe fn bad3() { unsafe {} } //~ ERROR: unnecessary `unsafe` block
|
||||
fn bad4() { unsafe { callback(||{}) } } //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe fn bad5() { unsafe { unsf() } } //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe fn bad5() { unsafe { unsf() } }
|
||||
fn bad6() {
|
||||
unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe { // don't put the warning here
|
||||
|
|
@ -37,7 +37,7 @@ fn bad6() {
|
|||
}
|
||||
unsafe fn bad7() {
|
||||
unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe {
|
||||
unsf()
|
||||
}
|
||||
}
|
||||
|
|
@ -194,15 +194,15 @@ mod additional_tests {
|
|||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn granularity_2() {
|
||||
unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe { unsf() } //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe { unsf() } //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe { unsf() } //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe { unsf() }
|
||||
unsafe { unsf() }
|
||||
unsafe { unsf() }
|
||||
}
|
||||
}
|
||||
|
||||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn top_level_used_2() {
|
||||
unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe {
|
||||
unsf();
|
||||
unsafe { unsf() } //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe { unsf() } //~ ERROR: unnecessary `unsafe` block
|
||||
|
|
@ -251,8 +251,8 @@ mod additional_tests {
|
|||
|
||||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn granular_disallow_op_in_unsafe_fn_3() {
|
||||
unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe {
|
||||
unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
#[deny(unsafe_op_in_unsafe_fn)]
|
||||
{
|
||||
unsf();
|
||||
|
|
@ -406,15 +406,15 @@ mod additional_tests_closures {
|
|||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn granularity_2() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() };
|
||||
let _ = || unsafe { unsf() };
|
||||
let _ = || unsafe { unsf() };
|
||||
};
|
||||
}
|
||||
|
||||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn top_level_used_2() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe {
|
||||
unsf();
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
|
|
@ -463,8 +463,8 @@ mod additional_tests_closures {
|
|||
|
||||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn granular_disallow_op_in_unsafe_fn_3() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
#[deny(unsafe_op_in_unsafe_fn)]
|
||||
{
|
||||
unsf();
|
||||
|
|
@ -619,15 +619,15 @@ mod additional_tests_even_more_closures {
|
|||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn granularity_2() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { let _ = || unsf(); }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { let _ = || unsf(); }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { let _ = || unsf(); }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { let _ = || unsf(); };
|
||||
let _ = || unsafe { let _ = || unsf(); };
|
||||
let _ = || unsafe { let _ = || unsf(); };
|
||||
};
|
||||
}
|
||||
|
||||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn top_level_used_2() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe {
|
||||
let _ = || unsf();
|
||||
let _ = || unsafe { let _ = || unsf(); }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { let _ = || unsf(); }; //~ ERROR: unnecessary `unsafe` block
|
||||
|
|
@ -676,8 +676,8 @@ mod additional_tests_even_more_closures {
|
|||
|
||||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn granular_disallow_op_in_unsafe_fn_3() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
#[deny(unsafe_op_in_unsafe_fn)]
|
||||
{
|
||||
let _ = || unsf();
|
||||
|
|
@ -781,15 +781,15 @@ mod item_likes {
|
|||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn granularity_2() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() };
|
||||
let _ = || unsafe { unsf() };
|
||||
let _ = || unsafe { unsf() };
|
||||
};
|
||||
}
|
||||
|
||||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn top_level_used_2() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe {
|
||||
unsf();
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
|
|
@ -838,8 +838,8 @@ mod item_likes {
|
|||
|
||||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn granular_disallow_op_in_unsafe_fn_3() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
#[deny(unsafe_op_in_unsafe_fn)]
|
||||
{
|
||||
unsf();
|
||||
|
|
@ -939,15 +939,15 @@ mod item_likes {
|
|||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn granularity_2() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() };
|
||||
let _ = || unsafe { unsf() };
|
||||
let _ = || unsafe { unsf() };
|
||||
};
|
||||
}
|
||||
|
||||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn top_level_used_2() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe {
|
||||
unsf();
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe { unsf() }; //~ ERROR: unnecessary `unsafe` block
|
||||
|
|
@ -996,8 +996,8 @@ mod item_likes {
|
|||
|
||||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn granular_disallow_op_in_unsafe_fn_3() {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = || unsafe {
|
||||
let _ = || unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
#[deny(unsafe_op_in_unsafe_fn)]
|
||||
{
|
||||
unsf();
|
||||
|
|
@ -1041,7 +1041,7 @@ mod additional_tests_extra {
|
|||
|
||||
#[warn(unsafe_op_in_unsafe_fn)]
|
||||
unsafe fn multiple_unsafe_op_in_unsafe_fn_allows() {
|
||||
unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
unsafe {
|
||||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
{
|
||||
unsf();
|
||||
|
|
@ -1071,11 +1071,11 @@ mod additional_tests_extra {
|
|||
#[allow(unsafe_op_in_unsafe_fn)]
|
||||
{
|
||||
let _ = async { unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = async { unsafe { let _ = async { unsf() }; }}; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = async { unsafe { let _ = async { unsf() }; }}; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = async { unsafe { let _ = async { unsf() }; }}; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = async { unsafe { let _ = async { unsf() }; }};
|
||||
let _ = async { unsafe { let _ = async { unsf() }; }};
|
||||
let _ = async { unsafe { let _ = async { unsf() }; }};
|
||||
}};
|
||||
let _ = async { unsafe { //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = async { unsafe {
|
||||
let _ = async { unsf() };
|
||||
let _ = async { unsafe { let _ = async { unsf() }; }}; //~ ERROR: unnecessary `unsafe` block
|
||||
let _ = async { unsafe { let _ = async { unsf() }; }}; //~ ERROR: unnecessary `unsafe` block
|
||||
|
|
|
|||
|
|
@ -81,40 +81,8 @@ error: unnecessary `unsafe` block
|
|||
LL | unsafe { unsafe { unsf() } }
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:60:5
|
||||
|
|
||||
LL | unsafe fn allow_level() {
|
||||
| ----------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | unsafe { unsf() }
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:53:9
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:72:9
|
||||
|
|
||||
LL | unsafe fn nested_allow_level() {
|
||||
| ------------------------------ because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | unsafe { unsf() }
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
|
||||
= note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn`
|
||||
note: the lint level is defined here
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:65:13
|
||||
|
|
||||
LL | #[allow(unsafe_op_in_unsafe_fn)]
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^
|
||||
|
||||
error[E0133]: call to unsafe function is unsafe and requires unsafe block
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:78:5
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:76:5
|
||||
|
|
||||
LL | unsf();
|
||||
| ^^^^^^ call to unsafe function
|
||||
|
|
@ -122,13 +90,13 @@ LL | unsf();
|
|||
= note: consult the function's documentation for information on how to avoid undefined behavior
|
||||
|
||||
error[E0133]: call to unsafe function is unsafe and requires unsafe function or block
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:83:9
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:81:9
|
||||
|
|
||||
LL | unsf();
|
||||
| ^^^^^^ call to unsafe function
|
||||
|
|
||||
= note: consult the function's documentation for information on how to avoid undefined behavior
|
||||
|
||||
error: aborting due to 13 previous errors
|
||||
error: aborting due to 11 previous errors
|
||||
|
||||
For more information about this error, try `rustc --explain E0133`.
|
||||
|
|
|
|||
|
|
@ -58,7 +58,6 @@ unsafe fn allow_level() {
|
|||
VOID = ();
|
||||
|
||||
unsafe { unsf() }
|
||||
//~^ ERROR unnecessary `unsafe` block
|
||||
}
|
||||
|
||||
unsafe fn nested_allow_level() {
|
||||
|
|
@ -70,7 +69,6 @@ unsafe fn nested_allow_level() {
|
|||
VOID = ();
|
||||
|
||||
unsafe { unsf() }
|
||||
//~^ ERROR unnecessary `unsafe` block
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -83,26 +83,8 @@ LL | unsafe { unsafe { unsf() } }
|
|||
| |
|
||||
| because it's nested under this `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:60:5
|
||||
|
|
||||
LL | unsafe fn allow_level() {
|
||||
| ----------------------- because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | unsafe { unsf() }
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error: unnecessary `unsafe` block
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:72:9
|
||||
|
|
||||
LL | unsafe fn nested_allow_level() {
|
||||
| ------------------------------ because it's nested under this `unsafe` fn
|
||||
...
|
||||
LL | unsafe { unsf() }
|
||||
| ^^^^^^ unnecessary `unsafe` block
|
||||
|
||||
error[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe block
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:78:5
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:76:5
|
||||
|
|
||||
LL | unsf();
|
||||
| ^^^^^^ call to unsafe function
|
||||
|
|
@ -110,13 +92,13 @@ LL | unsf();
|
|||
= note: consult the function's documentation for information on how to avoid undefined behavior
|
||||
|
||||
error[E0133]: call to unsafe function `unsf` is unsafe and requires unsafe function or block
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:83:9
|
||||
--> $DIR/rfc-2585-unsafe_op_in_unsafe_fn.rs:81:9
|
||||
|
|
||||
LL | unsf();
|
||||
| ^^^^^^ call to unsafe function
|
||||
|
|
||||
= note: consult the function's documentation for information on how to avoid undefined behavior
|
||||
|
||||
error: aborting due to 13 previous errors
|
||||
error: aborting due to 11 previous errors
|
||||
|
||||
For more information about this error, try `rustc --explain E0133`.
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue