Introduce a no-op PlaceMention statement for let _ =.

2022-09-06 18:41:01 +02:00
parent be758ef5ab
commit 4462bb54e3
44 changed files with 139 additions and 20 deletions
--- a/compiler/rustc_const_eval/src/interpret/step.rs
+++ b/compiler/rustc_const_eval/src/interpret/step.rs
@@ -114,7 +114,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
            Intrinsic(box intrinsic) => self.emulate_nondiverging_intrinsic(intrinsic)?,

            // Statements we do not track.
-            AscribeUserType(..) => {}
+            PlaceMention(..) | AscribeUserType(..) => {}

            // Currently, Miri discards Coverage statements. Coverage statements are only injected
            // via an optional compile time MIR pass and have no side effects. Since Coverage