http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56172
--- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2013-02-04 13:00:59 UTC --- Thanks for the analysis. > Since you can recreate the bug, I guess the next step is to check the > mp->waitsema field in the runtime_semawakeup frame. My prediction is that it > is 0. But I'm not sure where to go from there since I don't see how it could > be 0. In my case, mp->waitsema is 8. In case you want to have a look yourself (which will be way faster), you can find the build in apoc:/var/gcc/regression/trunk/11-gcc-gas/build/sparc-sun-solaris2.11/libgo/net-check/test. Rainer