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[Bug c/42716] [4.5 Regression] ICE in extract_range_from_assert, at tree-vrp.c:1423
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Jan 2010 11:08:51 -0000
- Subject: [Bug c/42716] [4.5 Regression] ICE in extract_range_from_assert, at tree-vrp.c:1423
- References: <bug-42716-12544@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from rguenth at gcc dot gnu dot org 2010-01-13 11:08 -------
Because at gimplification time we simplify *&g_13 == g_13 which is not folded
by fold to g_13 == g_13 but the gimplifier doesn't re-fold parents of folded
expressions. And we never fold that comparison again.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42716