https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66631
--- Comment #7 from Stas Sergeev <stsp at users dot sourceforge.net> --- (In reply to Andrew Pinski from comment #6) > (In reply to Stas Sergeev from comment #5) > > (In reply to Andrew Pinski from comment #4) > > > (In reply to Stas Sergeev from comment #3) > > > > The signal handler needs to do the following things: > > > > 1. Restore segment registers (init_handler() func) > > > > > > Why are you doing this, that is the question I am trying to understand > > > here. > > > What signal handler is happening? > > Ah, OK. > > This is a jit compiler. > > It uses segment registers at will, and it uses > > a memory protection too, so the signal is SIGSEGV. > > That seems bogus usage really. And very unportable. Don't use segment > registers at all. Well, I can't, sorry. :) Please note that clang is getting this fixed already it seems: http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20140714/110476.html http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20140714/110481.html (not sure, just googled) Really, no even a -mno-xxx option to disable this optimization?
