1 files changed, 14 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-3099-a.stderr b/tests/ui/issues/issue-3099-a.stderr
new file mode 100644
index 000000000..e3733cebb
--- /dev/null
+++ b/tests/ui/issues/issue-3099-a.stderr
@@ -0,0 +1,14 @@
+error[E0428]: the name `A` is defined multiple times
+  --> $DIR/issue-3099-a.rs:3:1
+   |
+LL | enum A { B, C }
+   | ------ previous definition of the type `A` here
+LL |
+LL | enum A { D, E }
+   | ^^^^^^ `A` redefined here
+   |
+   = note: `A` must be defined only once in the type namespace of this module
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0428`.