gcc/testsuite/c-c++-common/Wduplicated-cond-4.c

   1 /* PR c/64249 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wduplicated-cond" } */
   4 /* Test we don't warn if a condition in an if-else-if chain
   5    has a side-effect.  E.g. __cxxabiv1::__cxa_end_catch ()
   6    uses such a construction.  */
   7
   8 extern int a, bar (void);
   9
  10 int
  11 fn1 (void)
  12 {
  13   if (a)
  14     return 1;
  15   else if (bar ())
  16     return 2;
  17   else if (a)
  18     return 3;
  19   return 0;
  20 }
  21
  22 int
  23 fn2 (int c)
  24 {
  25   if (c < 0)
  26     return 1;
  27   else if (--c == 0)
  28     return 2;
  29   else if (c < 0)
  30     return 3;
  31   return 0;
  32 }