fixup! [clang] Support __typeof_unqual__ in all C modes

Include more coverage for new test

Signed-off-by: Nathan Chancellor <[email protected]>

Author: nathanchance

clang/test/SemaCXX/typeof_unqual.cpp

@@ -1,5 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s
-// expected-no-diagnostics
 
-__typeof_unqual__(int) u = 12;
+typeof_unqual(int) u = 12; // expected-error {{expected function body after function declarator}}
 __typeof_unqual(int) _u = 12;
+__typeof_unqual__(int) __u = 12;