From ea306a14f41811ba528f3c85ff8ec7a3b5afb8d2 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Mon, 25 Mar 2013 23:28:23 +0000
Subject: [PATCH] <rdar://problem/13185264> Don't crash when attempting to
 redundantly initialize a member of an anonymous union.

llvm-svn: 177941
---
 clang/lib/Sema/SemaDeclCXX.cpp                | 2 +-
 clang/test/SemaCXX/class-base-member-init.cpp | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index 52ed28afb937..cc0aadeec29f 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -3436,7 +3436,7 @@ bool CheckRedundantInit(Sema &S,
     return false;
   }
 
-  if (FieldDecl *Field = Init->getMember())
+  if (FieldDecl *Field = Init->getAnyMember())
     S.Diag(Init->getSourceLocation(),
            diag::err_multiple_mem_initialization)
       << Field->getDeclName()
diff --git a/clang/test/SemaCXX/class-base-member-init.cpp b/clang/test/SemaCXX/class-base-member-init.cpp
index e84e57b7471b..2cdca829ffb9 100644
--- a/clang/test/SemaCXX/class-base-member-init.cpp
+++ b/clang/test/SemaCXX/class-base-member-init.cpp
@@ -90,3 +90,11 @@ namespace test5 {
     }
   };
 }
+
+namespace rdar13185264 {
+  class X {
+    X() : a(), // expected-note{{previous initialization is here}}
+          a()  { } // expected-error{{multiple initializations given for non-static member 'a'}}
+    union { void *a; };
+  };
+}