From b66d77793f2582901e6dde2015a6f3a8fac167b7 Mon Sep 17 00:00:00 2001
From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Fri, 23 Mar 2012 23:09:08 +0000
Subject: When defining a forward-declared enum, don't try to attach the
 definition to a previous declaration if the redeclaration is invalid. That
 way lies madness. Fixes a crash-on-invalid reported by Abramo.

llvm-svn: 153349
---
 clang/test/SemaCXX/enum-scoped.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'clang/test')

diff --git a/clang/test/SemaCXX/enum-scoped.cpp b/clang/test/SemaCXX/enum-scoped.cpp
index 31190bebaa3..44394296e37 100644
--- a/clang/test/SemaCXX/enum-scoped.cpp
+++ b/clang/test/SemaCXX/enum-scoped.cpp
@@ -189,3 +189,14 @@ namespace test7 {
   enum class E { e = (struct S*)0 == (struct S*)0 };
   S *p;
 }
+
+namespace test8 {
+  template<typename T> struct S {
+    enum A : int; // expected-note {{here}}
+    enum class B; // expected-note {{here}}
+    enum class C : int; // expected-note {{here}}
+  };
+  template<typename T> enum S<T>::A { a }; // expected-error {{previously declared with fixed underlying type}}
+  template<typename T> enum class S<T>::B : char { b }; // expected-error {{redeclared with different underlying}}
+  template<typename T> enum S<T>::C : int { c }; // expected-error {{previously declared as scoped}}
+}
-- 
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