1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
abcdefghi12(void)3 void abcdefghi12(void) {
4  const char (*ss)[12] = &__func__;
5  static int arr[sizeof(__func__)==12 ? 1 : -1];
6 }
7 
8 char *X = __func__; // expected-warning {{predefined identifier is only valid}} \
9                        expected-warning {{initializing 'char *' with an expression of type 'const char [1]' discards qualifiers}}
10 
a()11 void a() {
12   __func__[0] = 'a';  // expected-error {{variable is not assignable}}
13 }
14 
15 // rdar://6097892 - GCC permits this insanity.
16 const char *b = __func__;  // expected-warning {{predefined identifier is only valid}}
17 const char *c = __FUNCTION__; // expected-warning {{predefined identifier is only valid}}
18 const char *d = __PRETTY_FUNCTION__; // expected-warning {{predefined identifier is only valid}}
19 
20