gcc/testsuite/gcc.dg/const-float128-ped.c

   1 /* Test 'q' suffix with -pedantic on __float128 type constants.  */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target __float128 } */
   4 /* { dg-options "-pedantic" } */
   5 /* { dg-add-options __float128 } */
   6
   7 __float128 a = 123.456789q; /* { dg-warning "non-standard suffix on floating constant" } */