gcc/testsuite/gcc.dg/c11-floatn-6.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-std=c11 -Wc11-c2x-compat" } */
   3 /* { dg-add-options float128 } */
   4 /* { dg-require-effective-target float128 } */
   5
   6 _Float128 a             /* { dg-warning "ISO C does not support the '_Float128' type before C23" } */
   7   = 1.0F128;            /* { dg-warning "non-standard suffix on floating constant before C23" } */
   8 __extension__ _Float128 b
   9   = 2.0F128;