[Bug middle-end/126899] backward threader rejects joiner-style threads on statement count that DOM can thread

[aldyh at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126899

--- Comment #1 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
volatile int sink;

void f (int i, int *out)
{
   if (i)
     *out = 1;
   sink = 1;
   sink = 2;
   sink = 3;
   sink = 4;
   sink = 5;
   sink = 6;
   sink = 7;
   sink = 8; // <— fix typo
   if (i)
    *out = 2;
}

Fixing typo in testcase.  Ughh, serves me right for working from a tablet.