--- /dev/null
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: -Z print-type-sizes
+// compile-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
+}
--- /dev/null
+print-type-size type: `ReprCu8`: 4 bytes, alignment: 2 bytes
+print-type-size discriminant: 1 bytes
+print-type-size variant `A`: 3 bytes
+print-type-size padding: 1 bytes
+print-type-size field `.0`: 2 bytes, alignment: 2 bytes
+print-type-size variant `B`: 1 bytes
+print-type-size type: `Repru8`: 4 bytes, alignment: 2 bytes
+print-type-size discriminant: 1 bytes
+print-type-size variant `A`: 3 bytes
+print-type-size padding: 1 bytes
+print-type-size field `.0`: 2 bytes, alignment: 2 bytes
+print-type-size variant `B`: 0 bytes