gcc/testsuite/gcc.dg/tree-ssa/pr77445.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fno-early-inlining -fno-tree-vrp -fno-tree-dominator-opts -fdump-tree-thread2-details-blocks" } */
   3
   4 static int a;
   5 static int b;
   6 void test2 ();
   7 void
   8 test ()
   9 {
  10   b = 7;
  11 }
  12
  13 void
  14 main (int argc)
  15 {
  16   if (argc)
  17     {
  18       a = 7;
  19       test ();
  20     }
  21   else
  22     a = 0;
  23   if (a)
  24     test2 ();
  25   if (b)
  26     test2 ();
  27 }
  28 /* { dg-final { scan-tree-dump-times "Registering jump thread" 2 "thread2" } } */
  29 /* { dg-final { scan-tree-dump-not "Invalid sum" "thread2" } } */