bjoernager/rust
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Bail out of drop elaboration when encountering error types

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This commit is contained in:
Oli Scherer 2024-02-08 17:51:32 +00:00
parent 1280928a99
commit 2d73597b93
3 changed files with 38 additions and 1 deletions
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5
compiler/rustc_mir_dataflow/src/move_paths/builder.rs
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@ -1,7 +1,7 @@
use rustc_index::IndexVec;
use rustc_middle::mir::tcx::{PlaceTy, RvalueInitializationState};
use rustc_middle::mir::*;
use rustc_middle::ty::{self, Ty, TyCtxt};
use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt};
use smallvec::{smallvec, SmallVec};
use std::mem;
@ -132,6 +132,9 @@ impl<'b, 'a, 'tcx, F: Fn(Ty<'tcx>) -> bool> Gatherer<'b, 'a, 'tcx, F> {
let body = self.builder.body;
let tcx = self.builder.tcx;
let place_ty = place_ref.ty(body, tcx).ty;
if place_ty.references_error() {
return MovePathResult::Error;
}
match elem {
ProjectionElem::Deref => match place_ty.kind() {
ty::Ref(..) | ty::RawPtr(..) => {