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[Bug tree-optimization/31797] [4.2/4.3 Regression] infinite loop in tree-ssa-pre or ICE
- From: "ebotcazou at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 May 2007 20:27:22 -0000
- Subject: [Bug tree-optimization/31797] [4.2/4.3 Regression] infinite loop in tree-ssa-pre or ICE
- References: <bug-31797-8160@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #13 from ebotcazou at gcc dot gnu dot org 2007-05-11 21:27 -------
> 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
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ebotcazou at gcc dot gnu dot org changed:
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31797