"This moves built-in Objective-C types up the scope chains to where they can be replaced by versions included from the runtime library's headers."
This makes it ok to use @"foo" without a declaration for NSConstantString.
Patch by David Chisnall!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52593 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/empty-union-init.c b/test/CodeGen/empty-union-init.c
index 6b8def9..82ff84d 100644
--- a/test/CodeGen/empty-union-init.c
+++ b/test/CodeGen/empty-union-init.c
@@ -1,4 +1,5 @@
// RUN: clang -emit-llvm < %s -o -
+// PR2419
struct Mem {
union {