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

[rsandifo at gcc dot gnu.org]

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

--- Comment #12 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
---
(In reply to Kostya Serebryany from comment #10)
> also, just curious: are such fixes supposed to be accompanied with
> regression tests?

You're right of course.  I'll send a testsuite patch soon.