Fix for PR4285: allow intializing a const wchar_t array with a wide 
string.

llvm-svn: 72663
diff --git a/clang/test/Sema/init.c b/clang/test/Sema/init.c
index 7938ec5..1cbcbb7 100644
--- a/clang/test/Sema/init.c
+++ b/clang/test/Sema/init.c
@@ -1,5 +1,6 @@
 // RUN: clang-cc %s -verify -fsyntax-only
 
+#include <stddef.h>
 #include <stdint.h>
 
 typedef void (* fp)(void);
@@ -122,3 +123,6 @@
 uintptr_t ptrasintadd1 = (uintptr_t)&a - 4;
 uintptr_t ptrasintadd2 = (uintptr_t)&a + 4;
 uintptr_t ptrasintadd3 = 4 + (uintptr_t)&a;
+
+// PR4285
+const wchar_t widestr[] = L"asdf";