X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_mir_transform%2Fsrc%2Fconst_prop.rs;h=5c45abc5a170ec63bae49cbb386edd0d854accfe;hb=32bf8c767f080459c3dd443ca6f478175b647754;hp=e384cfe165990c47940bde2566b8da034d49fe33;hpb=4b668a1feed45b3061fbf0d1d42fb1a695c0d4b3;p=rust.git

diff --git a/compiler/rustc_mir_transform/src/const_prop.rs b/compiler/rustc_mir_transform/src/const_prop.rs
index e384cfe1659..5c45abc5a17 100644
--- a/compiler/rustc_mir_transform/src/const_prop.rs
+++ b/compiler/rustc_mir_transform/src/const_prop.rs
@@ -655,11 +655,7 @@ fn const_prop(&mut self, rvalue: &Rvalue<'tcx>, place: Place<'tcx>) -> Option<()
             return None;
         }
 
-        if self.tcx.sess.mir_opt_level() >= 4 {
-            self.eval_rvalue_with_identities(rvalue, place)
-        } else {
-            self.use_ecx(|this| this.ecx.eval_rvalue_into_place(rvalue, place))
-        }
+        self.eval_rvalue_with_identities(rvalue, place)
     }
 
     // Attempt to use algebraic identities to eliminate constant expressions