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Make builtin_deref just return a Ty

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This commit is contained in:
Michael Goulet 2024-05-09 22:45:14 -04:00
parent 8c7c151a7a
commit d50c2b0a52
43 changed files with 92 additions and 116 deletions
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4
compiler/rustc_mir_transform/src/mentioned_items.rs
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@ -79,8 +79,8 @@ impl<'tcx> Visitor<'tcx> for MentionedItemsVisitor<'_, 'tcx> {
// add everything that may involve a vtable.
let source_ty = operand.ty(self.body, self.tcx);
let may_involve_vtable = match (
source_ty.builtin_deref(true).map(|t| t.ty.kind()),
target_ty.builtin_deref(true).map(|t| t.ty.kind()),
source_ty.builtin_deref(true).map(|t| t.kind()),
target_ty.builtin_deref(true).map(|t| t.kind()),
) {
(Some(ty::Array(..)), Some(ty::Str | ty::Slice(..))) => false, // &str/&[T] unsizing
_ => true,