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[Bug middle-end/38934] [4.3/4.4 Regression] ICE in set_value_range, at tree-vrp.c:398
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 Jan 2009 16:02:31 -0000
- Subject: [Bug middle-end/38934] [4.3/4.4 Regression] ICE in set_value_range, at tree-vrp.c:398
- References: <bug-38934-7849@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from jakub at gcc dot gnu dot org 2009-01-26 16:02 -------
That brings us back to http://gcc.gnu.org/ml/gcc-patches/2008-11/msg00532.html
If the gimplifier shouldn't drop TREE_OVERFLOW bits from the IL, then it is
valid to have TREE_OVERFLOWs set and tree-vrp.c needs to deal with it (use
VARYING range or something similar).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38934