[Bug lto/60319] wrong code (that hangs) by LTO at -Os and above on x86_64-linux-gnu

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60319

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Feb 25 08:57:42 2014
New Revision: 208112

URL: http://gcc.gnu.org/viewcvs?rev=208112&root=gcc&view=rev
Log:
2014-02-25  Richard Biener  <rguenther@suse.de>

    PR lto/60319
    * lto-opts.c (lto_write_options): Output non-explicit conservative
    -fwrapv, -fno-trapv and -fno-strict-overflow.
    * lto-wrapper.c (merge_and_complain): Handle merging those options.
    (run_gcc): And pass them through.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lto-opts.c
    trunk/gcc/lto-wrapper.c