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-rw-r--r--src/test/codegen/dst-vtable-align-nonzero.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/test/codegen/dst-vtable-align-nonzero.rs b/src/test/codegen/dst-vtable-align-nonzero.rs
index 00f82885d65..021c7b19f89 100644
--- a/src/test/codegen/dst-vtable-align-nonzero.rs
+++ b/src/test/codegen/dst-vtable-align-nonzero.rs
@@ -1,3 +1,5 @@
+// compile-flags: -O
+
 #![crate_type = "lib"]
 
 // This test checks that we annotate alignment loads from vtables with nonzero range metadata,