X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_const_eval%2Fsrc%2Finterpret%2Fvalidity.rs;h=19c6449078d5b236d9a6b40b22ad6eae0ad8c098;hb=f639ba634b7f20ef25b5067ef9681e16a2110494;hp=5fec8963a2c45e43406d8813baf8aa6505cae3ab;hpb=ea7f7f7c4c5cbb036444f18e97a44e51120ee609;p=rust.git

diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs
index 5fec8963a2c..19c6449078d 100644
--- a/compiler/rustc_const_eval/src/interpret/validity.rs
+++ b/compiler/rustc_const_eval/src/interpret/validity.rs
@@ -697,7 +697,7 @@ fn read_discriminant(
                 this.ecx.read_discriminant(op),
                 this.path,
                 err_ub!(InvalidTag(val)) =>
-                    { "{}", val } expected { "a valid enum tag" },
+                    { "{:x}", val } expected { "a valid enum tag" },
                 err_ub!(InvalidUninitBytes(None)) =>
                     { "uninitialized bytes" } expected { "a valid enum tag" },
                 err_unsup!(ReadPointerAsBytes) =>