diff options
Diffstat (limited to 'compiler/rustc_mir_build/src/thir/pattern/mod.rs')
| -rw-r--r-- | compiler/rustc_mir_build/src/thir/pattern/mod.rs | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/compiler/rustc_mir_build/src/thir/pattern/mod.rs b/compiler/rustc_mir_build/src/thir/pattern/mod.rs index 8f058efdfac..8e69ff568b9 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/mod.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/mod.rs @@ -111,10 +111,8 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { let kind = match adjust.kind { PatAdjust::BuiltinDeref => PatKind::Deref { subpattern: thir_pat }, PatAdjust::OverloadedDeref => { - let mutable = self.typeck_results.pat_has_ref_mut_binding(pat); - let mutability = - if mutable { hir::Mutability::Mut } else { hir::Mutability::Not }; - PatKind::DerefPattern { subpattern: thir_pat, mutability } + let borrow = self.typeck_results.deref_pat_borrow_mode(adjust.source, pat); + PatKind::DerefPattern { subpattern: thir_pat, borrow } } }; Box::new(Pat { span, ty: adjust.source, kind }) @@ -308,9 +306,8 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> { } hir::PatKind::Deref(subpattern) => { - let mutable = self.typeck_results.pat_has_ref_mut_binding(subpattern); - let mutability = if mutable { hir::Mutability::Mut } else { hir::Mutability::Not }; - PatKind::DerefPattern { subpattern: self.lower_pattern(subpattern), mutability } + let borrow = self.typeck_results.deref_pat_borrow_mode(ty, subpattern); + PatKind::DerefPattern { subpattern: self.lower_pattern(subpattern), borrow } } hir::PatKind::Ref(subpattern, _) => { // Track the default binding mode for the Rust 2024 migration suggestion. |