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[Bug tree-optimization/47265] [4.6 Regression] Error: SSA name in freelist but still referenced
- 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: Tue, 25 Jan 2011 13:19:50 +0000
- Subject: [Bug tree-optimization/47265] [4.6 Regression] Error: SSA name in freelist but still referenced
- Auto-submitted: auto-generated
- References: <bug-47265-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47265
--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-25 13:19:35 UTC ---
Have you gathered statistics how much less does forwprop propagate though?
I'm ATM running an instrumented bootstrap/regtest to see how many replacement
hits result from the iterations, if iteration proves not to be worthwhile, I'd
say just the return all && has_zero_uses (name); change would be safest for
4.6.