Fix for PR5233.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89603 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/wchar.c b/test/Sema/wchar.c
index e201c7e..ed6649a 100644
--- a/test/Sema/wchar.c
+++ b/test/Sema/wchar.c
@@ -6,7 +6,9 @@
 #if defined(_WIN32) || defined(_M_IX86) || defined(__CYGWIN__) \
  || defined(_M_X64) || defined(SHORT_WCHAR)
   #define WCHAR_T_TYPE unsigned short
-#else
+#elif defined(__sun) || defined(__AuroraUX__)
+  #define WCHAR_T_TYPE long
+#else /* Solaris or AuroraUX. */
   #define WCHAR_T_TYPE int
 #endif