http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55492



--- Comment #9 from Andrew Macleod <amacleod at redhat dot com> 2012-12-14 
15:32:52 UTC ---

Took me a second.. I presume you meant that expand_mem_thread_fence doesn't

emit anything for RELAXED mode...



Yes, since __atomic_store has already been verified by

expand_builtin_atomic_store() to only be one of the 3 valid cases, there should

not be a need for the if statement guarding the expand_mem_thread_fence.

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