illegal_write2 does not work with optimizations

2018-11-03 10:23:41 +01:00 · 2018-11-03 10:23:41 +01:00 · 5f42aa61d5
commit 5f42aa61d5
parent e9f79f5f6f
1 changed files with 4 additions and 0 deletions
--- a/tests/compile-fail/stacked_borrows/illegal_write2.rs
+++ b/tests/compile-fail/stacked_borrows/illegal_write2.rs
@ -1,3 +1,7 @@
+// We fail to detect this when neither this nor libstd are optimized/have retagging.
+// FIXME: Investigate that.
+// compile-flags: -Zmir-opt-level=0
+
 #![allow(unused_variables)]

 fn main() {