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[Bug c++/80004] [6 Regression] non-atomic load moved to before atomic load with std::memory_order_acquire
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 13 Mar 2017 10:52:43 +0000
- Subject: [Bug c++/80004] [6 Regression] non-atomic load moved to before atomic load with std::memory_order_acquire
- Auto-submitted: auto-generated
- References: <bug-80004-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80004
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
Depends on| |49244
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
r235792
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49244
[Bug 49244] __sync or __atomic builtins will not emit 'lock bts/btr/btc'