[Bug tree-optimization/26859] [4.2 Regression] ICE Segmentation Fault

[sebastian dot pop at cri dot ensmp dot fr]

------- Comment #9 from sebastian dot pop at cri dot ensmp dot fr  2006-03-29 00:27 -------
Created an attachment (id=11147)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=11147&action=view)
proposed fix

this patch (not tested yet) fixes the problem: it avoids a division by zero.
Part of the problem is that convert returns a step for which it sets the
overflow flag when converting unsigned ffffffe to int -2.  The patch resets
the overflow flag that has no sense for the step of a sequence.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26859