bjoernager/rust
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Auto merge of #129076 - matthiaskrgr:rollup-rg8mi2x, r=matthiaskrgr

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Rollup of 6 pull requests

Successful merges:

 - #128410 (Migrate `remap-path-prefix-dwarf` `run-make` test to rmake)
 - #128759 (alloc: add ToString specialization for `&&str`)
 - #128873 (Add windows-targets crate to std's sysroot)
 - #129001 (chore(lib): Enhance documentation for core::fmt::Formatter's write_fm…)
 - #129061 (Use `is_lang_item` more)
 - #129062 (Remove a no-longer-true assert)

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2024-08-14 04:17:13 +00:00
commit 9859bf27fd
38 changed files with 543 additions and 261 deletions
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7
compiler/rustc_lint/src/for_loops_over_fallibles.rs
View file

@ -1,5 +1,5 @@
use hir::{Expr, Pat};
use rustc_hir as hir;
use rustc_hir::{self as hir, LangItem};
use rustc_infer::infer::TyCtxtInferExt;
use rustc_infer::traits::ObligationCause;
use rustc_middle::ty;
@ -126,7 +126,10 @@ fn extract_iterator_next_call<'tcx>(
) -> Option<&'tcx Expr<'tcx>> {
// This won't work for `Iterator::next(iter)`, is this an issue?
if let hir::ExprKind::MethodCall(_, recv, _, _) = expr.kind
&& cx.typeck_results().type_dependent_def_id(expr.hir_id) == cx.tcx.lang_items().next_fn()
&& cx
.typeck_results()
.type_dependent_def_id(expr.hir_id)
.is_some_and(|def_id| cx.tcx.is_lang_item(def_id, LangItem::IteratorNext))
{
Some(recv)
} else {

2
compiler/rustc_lint/src/traits.rs
View file

@ -114,7 +114,7 @@ impl<'tcx> LateLintPass<'tcx> for DropTraitConstraints {
let hir::TyKind::TraitObject(bounds, _lifetime, _syntax) = &ty.kind else { return };
for (bound, modifier) in &bounds[..] {
let def_id = bound.trait_ref.trait_def_id();
if cx.tcx.lang_items().drop_trait() == def_id
if def_id.is_some_and(|def_id| cx.tcx.is_lang_item(def_id, LangItem::Drop))
&& *modifier != hir::TraitBoundModifier::Maybe
{
let Some(def_id) = cx.tcx.get_diagnostic_item(sym::needs_drop) else { return };