Add test for nested enum redefinition.

 - <rdar://problem/6093889>


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54470 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/test/Sema/enum.c b/test/Sema/enum.c
index 50e6d9d326..ba93aaa2ee 100644
--- a/test/Sema/enum.c
+++ b/test/Sema/enum.c
@@ -51,3 +51,7 @@ void test4() {
 // PR2416
 enum someenum {};  // expected-warning {{use of empty enum extension}}
 
+// <rdar://problem/6093889>
+enum e0 { // expected-error {{previous definition is here}}
+  E0 = sizeof(enum e0 { E1 }) // expected-error {{nested redefinition}}
+};