Hi Eric,
> the patch
>
> 2017-07-06 Jan Hubicka <hubi...@ucw.cz>
>
> * lto-wrapper.c (merge_and_complain): Do not merge
> fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
> fsigned_zeros, ftrapping_math, fwrapv.
> (append_compiler_options): Do not track these options.
> (append_linker_options): Likewie
>
> has broken exception handling in LTO mode for targets which don't force
> either
> -funwind-tables or -fasynchronous-unwind-tables (i.e not x86) and do not
> default to -fdwarf2-cfi-asm (i.e. not Linux), for example SPARC/Solaris.
this is PR lto/81351.
Rainer
--
-----------------------------------------------------------------------------
Rainer Orth, Center for Biotechnology, Bielefeld University
