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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized" } */

int f(int a, int b, int c)
{
  if (a == 0 && b > c)
   return 0;
 return a;
}

int g(int a, int b, int c)
{
  if (a == 42 && b > c)
   return 42;
 return a;
}

int h(int a, int b, int c, int d)
{
  if (a == d && b > c)
   return d;
 return a;
}
/* { dg-final { scan-tree-dump-times "if" 0 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */