gcc/testsuite/gcc.dg/bitint-23.c

   1 // PR c/102989
   2 // { dg-do compile { target bitint } }
   3 // { dg-options "-std=c23 -pedantic-errors -Wc11-c23-compat" }
   4
   5 _BitInt(63) a;                                  /* { dg-warning "ISO C does not support '_BitInt\\\(63\\\)' before C23" } */
   6 signed _BitInt(15) b;                           /* { dg-warning "ISO C does not support 'signed _BitInt\\\(15\\\)' before C23" } */
   7 unsigned _BitInt(31) c;                         /* { dg-warning "ISO C does not support 'unsigned _BitInt\\\(31\\\)' before C23" } */
   8 int d = 21wb;                                   /* { dg-warning "ISO C does not support literal 'wb' suffixes before C23" } */
   9 long long e = 60594869054uwb;                   /* { dg-warning "ISO C does not support literal 'wb' suffixes before C23" } */
  10 __extension__ _BitInt(63) f;
  11 __extension__ _BitInt(15) g;
  12 __extension__ unsigned _BitInt(31) h;
  13 int i = __extension__ 21wb;
  14 long long j = __extension__ 60594869054uwb;
  15 #if 0wb == 0                                    /* { dg-warning "ISO C does not support literal 'wb' suffixes before C23" } */
  16 #endif
  17 #if 0uwb == 0                                   /* { dg-warning "ISO C does not support literal 'wb' suffixes before C23" } */
  18 #endif