bjoernager/rust
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compile-time evaluation: emit a lint when a write through an immutable pointer occurs

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This commit is contained in:
Ralf Jung 2023-11-26 16:57:13 +01:00
parent cb86303342
commit 4d93590d59
16 changed files with 380 additions and 185 deletions
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3
compiler/rustc_mir_transform/src/const_prop.rs
View file

@ -11,6 +11,7 @@ use rustc_middle::mir::visit::{
MutVisitor, MutatingUseContext, NonMutatingUseContext, PlaceContext, Visitor,
};
use rustc_middle::mir::*;
use rustc_middle::query::TyCtxtAt;
use rustc_middle::ty::layout::{LayoutError, LayoutOf, LayoutOfHelpers, TyAndLayout};
use rustc_middle::ty::{self, GenericArgs, Instance, ParamEnv, Ty, TyCtxt, TypeVisitableExt};
use rustc_span::{def_id::DefId, Span};
@ -220,7 +221,7 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for ConstPropMachine<'mir, 'tcx>
}
fn before_access_global(
_tcx: TyCtxt<'tcx>,
_tcx: TyCtxtAt<'tcx>,
_machine: &Self,
_alloc_id: AllocId,
alloc: ConstAllocation<'tcx>,

3
compiler/rustc_mir_transform/src/dataflow_const_prop.rs
View file

@ -8,6 +8,7 @@ use rustc_hir::def::DefKind;
use rustc_middle::mir::interpret::{AllocId, ConstAllocation, InterpResult, Scalar};
use rustc_middle::mir::visit::{MutVisitor, PlaceContext, Visitor};
use rustc_middle::mir::*;
use rustc_middle::query::TyCtxtAt;
use rustc_middle::ty::layout::{LayoutOf, TyAndLayout};
use rustc_middle::ty::{self, Ty, TyCtxt};
use rustc_mir_dataflow::value_analysis::{
@ -876,7 +877,7 @@ impl<'mir, 'tcx: 'mir> rustc_const_eval::interpret::Machine<'mir, 'tcx> for Dumm
}
fn before_access_global(
_tcx: TyCtxt<'tcx>,
_tcx: TyCtxtAt<'tcx>,
_machine: &Self,
_alloc_id: AllocId,
alloc: ConstAllocation<'tcx>,