gcc/testsuite/c-c++-common/Wduplicated-branches-7.c

   1 /* PR c/64279 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wduplicated-branches" } */
   4
   5 struct S
   6 {
   7   int x;
   8 } s;
   9 int a[10];
  10
  11 #define XMEM(R) ((R).x)
  12 #define XSTR(R) ((R).x)
  13
  14 void
  15 f (int i)
  16 {
  17   if (i)
  18     XMEM(s) = 1;
  19   else
  20     XSTR(s) = 1;
  21
  22   if (i) /* { dg-warning "this condition has identical branches" } */
  23     s.x = 1;
  24   else
  25     s.x = 1;
  26
  27   if (i)
  28     XMEM(s) = 1;
  29   else
  30     s.x = 1;
  31
  32   if (i)
  33     s.x = 1;
  34   else
  35     XMEM(s) = 1;
  36 }