[Bug bootstrap/60830] [4.9 Regression] ICE on bootstrapping on cygwin

[ktietz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60830

--- Comment #15 from Kai Tietz <ktietz at gcc dot gnu.org> ---
(In reply to Denis Excoffier from comment #14)
> I'm now using plain cygwin-1.7.29-2, the cygwin1.dbg now matches with
> cygwin1.dll. I've alto tried to recompile without -O2. I'm not so familiar
> with gdb, i've produced a session where i break at __call_exitprocs (in
> cygwin1.dll), that shows that the destructors are not called more than once.
> But i now obtain 2 SEGV. Hope this helps. See attachment 32600 [details].

Thanks, the second SIGSEGV is the "Second Chance exception".  Nothing to wonder
here.  There seems to be no handler catching the SIGSEGV's first chance
exception.