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[Bug libstdc++/54861] std::atomic_signal_fence(std::memory_order_seq_cst) issues unnecessary mfence
- From: "ozabluda at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 09 Oct 2012 18:48:56 +0000
- Subject: [Bug libstdc++/54861] std::atomic_signal_fence(std::memory_order_seq_cst) issues unnecessary mfence
- Auto-submitted: auto-generated
- References: <bug-54861-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54861
--- Comment #3 from Oleg Zabluda <ozabluda at gmail dot com> 2012-10-09 18:48:56 UTC ---
I can confirm that this fixes it in gcc 4.7.0.