Include named unions in union member init checking

llvm-svn: 144883

1 files changed, 26 insertions, 0 deletions

diff --git a/clang/test/CXX/class/class.base/class.base.init/p5-0x.cpp b/clang/test/CXX/class/class.base/class.base.init/p5-0x.cpp
new file mode 100644
index 00000000000..e9aa6da7dc7
--- /dev/null
+++ b/clang/test/CXX/class/class.base/class.base.init/p5-0x.cpp
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
+
+// [class.base.init]p5
+// A ctor-initializer may initialize a variant member of the constructor’s 
+// class. If a ctor-initializer specifies more than one mem-initializer for the
+// same member or for the same base class, the ctor-initializer is ill-formed.
+
+union E {
+  int a;
+  int b;
+  E() : a(1),  // expected-note{{previous initialization is here}}
+        b(2) { // expected-error{{initializing multiple members of union}}
+  }
+};
+
+union F {
+  struct {
+    int a;
+    int b;
+  };
+  int c;
+  F() : a(1),  // expected-note{{previous initialization is here}}
+        b(2),
+        c(3) { // expected-error{{initializing multiple members of union}}
+  }
+};