1 /* PR tree-optimization/20657 2 VRP did not pick up a conditional equivalence from the first "if" 3 statement, which was needed to eliminate the second "if" statement. */ 4 5 /* { dg-do compile } */ 6 /* { dg-options "-O2 -fno-tree-dominator-opts -fno-tree-fre -fdump-tree-evrp" } */ 7 8 int foo(int a)9foo (int a) 10 { 11 if (a == 0) 12 if (a == 0) 13 return 1; 14 return 0; 15 } 16 17 /* { dg-final { scan-tree-dump-times "if" 1 "evrp"} } */ 18