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[Bug tree-optimization/58209] [4.7/4.8/4.9 Regression] ICE in extract_range_from_binary_expr, at tree-vrp.c:2294
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 22 Aug 2013 09:27:52 +0000
- Subject: [Bug tree-optimization/58209] [4.7/4.8/4.9 Regression] ICE in extract_range_from_binary_expr, at tree-vrp.c:2294
- Auto-submitted: auto-generated
- References: <bug-58209-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58209
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 30684
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30684&action=edit
gcc49-pr58209.patch
Untested fix for this tail recursion bug.
For the release branches, I think better might be just to apply only the
testcase and find_tail_calls hunk with (m || a) instead of m in the added
condition.