1 files changed, 69 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-21546.stderr b/src/test/ui/issues/issue-21546.stderr
new file mode 100644
index 000000000..5fd06fc67
--- /dev/null
+++ b/src/test/ui/issues/issue-21546.stderr
@@ -0,0 +1,69 @@
+error[E0428]: the name `Foo` is defined multiple times
+  --> $DIR/issue-21546.rs:7:1
+   |
+LL | mod Foo { }
+   | ------- previous definition of the module `Foo` here
+...
+LL | struct Foo;
+   | ^^^^^^^^^^^ `Foo` redefined here
+   |
+   = note: `Foo` must be defined only once in the type namespace of this module
+
+error[E0428]: the name `Bar` is defined multiple times
+  --> $DIR/issue-21546.rs:14:1
+   |
+LL | mod Bar { }
+   | ------- previous definition of the module `Bar` here
+...
+LL | struct Bar(i32);
+   | ^^^^^^^^^^^^^^^^ `Bar` redefined here
+   |
+   = note: `Bar` must be defined only once in the type namespace of this module
+
+error[E0428]: the name `Baz` is defined multiple times
+  --> $DIR/issue-21546.rs:22:1
+   |
+LL | struct Baz(i32);
+   | ---------------- previous definition of the type `Baz` here
+...
+LL | mod Baz { }
+   | ^^^^^^^ `Baz` redefined here
+   |
+   = note: `Baz` must be defined only once in the type namespace of this module
+
+error[E0428]: the name `Qux` is defined multiple times
+  --> $DIR/issue-21546.rs:30:1
+   |
+LL | struct Qux { x: bool }
+   | ---------- previous definition of the type `Qux` here
+...
+LL | mod Qux { }
+   | ^^^^^^^ `Qux` redefined here
+   |
+   = note: `Qux` must be defined only once in the type namespace of this module
+
+error[E0428]: the name `Quux` is defined multiple times
+  --> $DIR/issue-21546.rs:38:1
+   |
+LL | struct Quux;
+   | ------------ previous definition of the type `Quux` here
+...
+LL | mod Quux { }
+   | ^^^^^^^^ `Quux` redefined here
+   |
+   = note: `Quux` must be defined only once in the type namespace of this module
+
+error[E0428]: the name `Corge` is defined multiple times
+  --> $DIR/issue-21546.rs:46:1
+   |
+LL | enum Corge { A, B }
+   | ---------- previous definition of the type `Corge` here
+...
+LL | mod Corge { }
+   | ^^^^^^^^^ `Corge` redefined here
+   |
+   = note: `Corge` must be defined only once in the type namespace of this module
+
+error: aborting due to 6 previous errors
+
+For more information about this error, try `rustc --explain E0428`.