Use `Mutability::{is_mut, is_not}`

2 files changed, 2 insertions, 3 deletions

diff --git a/compiler/rustc_mir_transform/src/const_prop.rs b/compiler/rustc_mir_transform/src/const_prop.rs
index 5c45abc5a17..9699611e9b0 100644
--- a/compiler/rustc_mir_transform/src/const_prop.rs
+++ b/compiler/rustc_mir_transform/src/const_prop.rs
@@ -5,7 +5,6 @@ use std::cell::Cell;
 
 use either::Right;
 
-use rustc_ast::Mutability;
 use rustc_const_eval::const_eval::CheckAlignment;
 use rustc_data_structures::fx::FxHashSet;
 use rustc_hir::def::DefKind;
@@ -289,7 +288,7 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for ConstPropMachine<'mir, 'tcx>
         }
         // If the static allocation is mutable, then we can't const prop it as its content
         // might be different at runtime.
-        if alloc.inner().mutability == Mutability::Mut {
+        if alloc.inner().mutability.is_mut() {
             throw_machine_stop_str!("can't access mutable globals in ConstProp");
         }
 
diff --git a/compiler/rustc_mir_transform/src/shim.rs b/compiler/rustc_mir_transform/src/shim.rs
index 8d4fe74e7d3..e9ca6f7c93c 100644
--- a/compiler/rustc_mir_transform/src/shim.rs
+++ b/compiler/rustc_mir_transform/src/shim.rs
@@ -427,7 +427,7 @@ impl<'tcx> CloneShimBuilder<'tcx> {
     fn make_place(&mut self, mutability: Mutability, ty: Ty<'tcx>) -> Place<'tcx> {
         let span = self.span;
         let mut local = LocalDecl::new(ty, span);
-        if mutability == Mutability::Not {
+        if mutability.is_not() {
             local = local.immutable();
         }
         Place::from(self.local_decls.push(local))