gcc/testsuite/gcc.dg/pure-3.c

   1 /* PR tree-optimization/83559 - -Wsuggest-attribute=const conflicts with
   2    -Wattributes warning about const attribute on function returning void
   3    { dg-do compile { target nonpic } }
   4    { dg-options "-O2 -Wsuggest-attribute=pure" } */
   5
   6 int global;
   7
   8 int f_i_v (void)    /* { dg-warning "candidate for attribute .pure." } */
   9 {
  10   return global;
  11 }
  12
  13 int f_i ()          /* { dg-warning "candidate for attribute .pure." } */
  14 {
  15   return global;
  16 }
  17
  18 void f_v_v (void)   /* { dg-bogus "candidate" } */
  19 {
  20 }
  21
  22 void f_v ()         /* { dg-bogus "candidate" } */
  23 {
  24 }