[Bug target/65697] __atomic memory barriers not strong enough for __sync builtins

[amacleod at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65697

Andrew Macleod <amacleod at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |amacleod at redhat dot com

--- Comment #3 from Andrew Macleod <amacleod at redhat dot com> ---
Note that atomic MEMMODEL_SEQ_CST is the original implementation of __sync.  It
was expanded to allow other memory models and the name was changed... but under
the covers it still implemented the same as it was before.