(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
func-outside-1.c
       1  /* Test for rejection of __func__ outside a function (GNU extensions
       2     are OK there).  Test with no special options.  */
       3  /* Origin: Joseph Myers <joseph@codesourcery.com> */
       4  /* { dg-do compile } */
       5  /* { dg-options "-fshow-column" } */
       6  
       7  const char *a = __func__; /* { dg-warning "17:'__func__' is not defined outside of function scope" "undef" } */
       8  const char *b = __FUNCTION__;
       9  const char *c = __PRETTY_FUNCTION__;