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Depend on Mutability ordering

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This commit is contained in:
Maybe Waffle 2022-11-23 18:22:26 +00:00
parent 8195e12dd9
commit 9b9c7d0ecc
5 changed files with 6 additions and 13 deletions
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2
compiler/rustc_hir_analysis/src/coherence/builtin.rs
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@ -370,7 +370,7 @@ pub fn coerce_unsized_info<'tcx>(tcx: TyCtxt<'tcx>, impl_did: DefId) -> CoerceUn
let check_mutbl = |mt_a: ty::TypeAndMut<'tcx>,
mt_b: ty::TypeAndMut<'tcx>,
mk_ptr: &dyn Fn(Ty<'tcx>) -> Ty<'tcx>| {
if (mt_a.mutbl, mt_b.mutbl) == (hir::Mutability::Not, hir::Mutability::Mut) {
if mt_a.mutbl < mt_b.mutbl {
infcx
.err_ctxt()
.report_mismatched_types(