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-rw-r--r--src/test/debuginfo/c-style-enum.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/test/debuginfo/c-style-enum.rs b/src/test/debuginfo/c-style-enum.rs
index 1f1f42e2dec..2dbac8e3d9e 100644
--- a/src/test/debuginfo/c-style-enum.rs
+++ b/src/test/debuginfo/c-style-enum.rs
@@ -151,6 +151,7 @@ enum ManualDiscriminant {
 }
 
 #[derive(Copy, Clone)]
+#[repr(u8)]
 enum SingleVariant {
     TheOnlyVariant
 }