1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/print_type_sizes/repr_int_c.rs b/src/test/ui/print_type_sizes/repr_int_c.rs
new file mode 100644
index 000000000..b8067c112
--- /dev/null
+++ b/src/test/ui/print_type_sizes/repr_int_c.rs
@@ -0,0 +1,25 @@
+// compile-flags: -Z print-type-sizes
+// build-pass
+
+// This test makes sure that the tag is not grown for `repr(C)` or `repr(u8)`
+// variants (see https://github.com/rust-lang/rust/issues/50098 for the original bug).
+
+#![feature(start)]
+#![allow(dead_code)]
+
+#[repr(C, u8)]
+enum ReprCu8 {
+    A(u16),
+    B,
+}
+
+#[repr(u8)]
+enum Repru8 {
+    A(u16),
+    B,
+}
+
+#[start]
+fn start(_: isize, _: *const *const u8) -> isize {
+    0
+}