gcc/testsuite/gcc.dg/const-float80-ped.c

   1 /* Test 'w' suffix with -pedantic on __float80 type constants.  */
   2 /* { dg-do compile { target i?86-*-* x86_64-*-* ia64-*-* } } */
   3 /* { dg-options "-pedantic" } */
   4
   5 __float80 a = 123.456789w;  /* { dg-warning "non-standard suffix on floating constant" } */