[Bug tree-optimization/84960] [8 Regression] ICE in GIMPLE pass: isolate-paths

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84960

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org
          Component|c++                         |tree-optimization

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
C testcase:

/* PR tree-optimization/84960 */
/* { dg-do compile } */
/* { dg-options "-O2 -fwrapv" } */

void
foo (int a, float b, void *c)
{
lab:
  if ((b - (a %= 0) < 1) * -1)
    ;
  else
    {
      long f = a;
      __builtin_unreachable ();
      __builtin_prefetch (&&lab);
    }
  goto *c;
}