clang/test/Sema/predef.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   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
  11 void a(void) {
  12   __func__[0] = 'a';  // expected-error {{variable is not assignable}}
  13 }
  14
  15 // GCC permits this.
  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