rust-lang
diff --git a/‎tests/crashes/101962.rs
-11 b/‎tests/crashes/101962.rs
-11
diff --git a/‎tests/crashes/79409.rs
+2 b/‎tests/crashes/79409.rs
+2
@@ -1,4 +1,6 @@
 //@ known-bug: #79409
+//@ compile-flags: -Z mir-opt-level=0
+// (Only fails if the use of the place isn't optimized out)
 
 #![feature(extern_types)]
 #![feature(unsized_locals)]