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[Bug tree-optimization/39870] VRP can't see through cast to unsigned
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 9 Aug 2011 14:59:25 +0000
- Subject: [Bug tree-optimization/39870] VRP can't see through cast to unsigned
- Auto-submitted: auto-generated
- References: <bug-39870-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39870
--- Comment #15 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-08-09 14:58:53 UTC ---
VRP optimizes the testcase form comment #12, it doesn't optimize the original
one because there we deal with symbolic ranges.