gcc/testsuite/gcc.dg/cpp/pr7263-3.c

   1 /* PR 7263:  __extension__ keyword doesn't suppress warning on LL or ULL constants.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=c99 -pedantic-errors -ftrack-macro-expansion=0" } */
   4 #include "pr7263-3.h"
   5 __complex__  bar () /* { dg-error "ISO C does not support plain .complex. meaning .double complex." } */
   6 {
   7   return _Complex_I_ext;
   8 }
   9
  10 __extension__ __complex__
  11 bar2 ()
  12 {
  13   return _Complex_I;
  14 }
  15
  16 __complex__ bar3 () /* { dg-error "ISO C does not support plain .complex. meaning .double complex." } */
  17 {
  18   return _Complex_I; /* { dg-error "imaginary constants are a GCC extension" } */
  19 }