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-rw-r--r--tests/codegen/cffi/c-variadic-opt.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/codegen/cffi/c-variadic-opt.rs b/tests/codegen/cffi/c-variadic-opt.rs
index 969dce80f58..7e544ee7f37 100644
--- a/tests/codegen/cffi/c-variadic-opt.rs
+++ b/tests/codegen/cffi/c-variadic-opt.rs
@@ -1,4 +1,4 @@
-// compile-flags: -C opt-level=3
+//@ compile-flags: -C opt-level=3
 
 #![crate_type = "lib"]
 #![feature(c_variadic)]