[Bug other/55981] std::atomic store is split in two smaller stores

[eugeni.stepanov at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55981

--- Comment #2 from Evgeniy Stepanov <eugeni.stepanov at gmail dot com> 2013-01-14 22:48:08 UTC ---
Btw, the same happens if atomic is replaced with "volatile unsigned long y" -
which does not violate the standard, but may be considered undesirable by some.
I don't have a strong opinion about this.