[Bug target/58944] [4.9 Regression] bogus -Wunused-macros warnings when compiling Libreoffice

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58944

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Sat Jan 18 10:18:33 2014
New Revision: 206750

URL: http://gcc.gnu.org/viewcvs?rev=206750&root=gcc&view=rev
Log:
    PR target/58944
    * config/i386/i386-c.c (ix86_pragma_target_parse): Temporarily
    clear cpp_get_options (parse_in)->warn_unused_macros for
    ix86_target_macros_internal with cpp_define.

    * gcc.target/i386/pr58944.c: Drop -march=native from dg-options.
    Remove dg-prune-output lines.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386-c.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/i386/pr58944.c