Auto merge of #34755 - jonas-schievink:minor-differences, r=eddyb

Move variant_size_differences out of trans

Also enhances the error message a bit, fixes #30505 on the way, and adds
a test (which was missing).

Closes #34018

1 files changed, 18 insertions, 0 deletions

diff --git a/src/test/compile-fail/variant-size-differences.rs b/src/test/compile-fail/variant-size-differences.rs
new file mode 100644
index 00000000000..f2cffeefe90
--- /dev/null
+++ b/src/test/compile-fail/variant-size-differences.rs
@@ -0,0 +1,18 @@
+// Copyright 2016 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.
+
+#![deny(variant_size_differences)]
+
+enum _En {
+    V0(u8),
+    VBig([u8; 1024]),   //~ ERROR variant is more than three times larger
+}
+
+fn main() {}