[Bug tree-optimization/78413] [7 Regression] ICE in single_pred_edge, at basic-block.h:361

[su at cs dot ucdavis.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78413

Zhendong Su <su at cs dot ucdavis.edu> changed:

           What    |Removed                     |Added
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                 CC|                            |su at cs dot ucdavis.edu

--- Comment #6 from Zhendong Su <su at cs dot ucdavis.edu> ---
Below is another test case that triggers the same ICE:

-------------------------------------------------

int a, b, c, d, e, f, g;

void fn1 ()
{
  c &= 1; 
  while (c)
    {
      for (a = 0; a < 2; a++)
        e = f && g;
      if (b && d)
        break;
    }
}