[Bug tree-optimization/31797] [4.2/4.3 Regression] infinite loop in tree-ssa-pre or ICE

[dberlin at dberlin dot org]

------- Comment #14 from dberlin at gcc dot gnu dot org  2007-05-11 22:53 -------
Subject: Re:  [4.2/4.3 Regression] infinite loop in tree-ssa-pre or ICE

> > Actually shouldn't has_volatile_ops be set?  I am thinking something is not
> > setting that.
>
> Just to say that we have seen this problem with the Ada compiler and the cause
> was indeed the (non-)propagation of the volatile-ness along the chain:
>   http://gcc.gnu.org/ml/gcc/2006-06/msg00695.html
>
>
I had never bothered to check, but you are probably right.  That would
certainly be much simpler to fix ;)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31797