[Bug tree-optimization/86532] [9 Regression] Wrong code due to a wrong strlen folding starting with r262522

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86532

--- Comment #19 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
sorry wrong test case:

$ cat part.c
cat part.c
#define a  "121\01" 

int main ()
{
  volatile int i=4;
  int n = __builtin_strlen (&a[0]);
  n += __builtin_strlen (&a[i]);

  if (n != 4)
    __builtin_abort ();
}