[Bug sanitizer/61095] [4.10 Regression] miscompile: tsan is broken in gcc trunk, works in 4.9

[kcc at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61095

--- Comment #10 from Kostya Serebryany <kcc at gcc dot gnu.org> ---
also, just curious: are such fixes supposed to be accompanied with regression
tests?