gcc/testsuite/gcc.dg/tree-prof/update-tailcall.c


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/* { dg-options "-O2 -fdump-tree-tailc-details-blocks -fdump-tree-optimized-details-blocks" } */
__attribute__ ((noinline))
int factorial(int x)
{
   if (x == 1)
     return 1;
   else
     return x*factorial(--x);
}
int gbl;
int
main()
{
   gbl = factorial(100);
   return 0;
}
/* { dg-final-use { scan-tree-dump-not "Invalid sum" "tailc"} } */
/* { dg-final-use { scan-tree-dump-not "Invalid sum" "optimized"} } */