PR target/23602

    PR target/23602
        * toplev.c (process_options): Warn about unsupported combinations
        of unwind tables and omit-frame-pointer.
        * config/i386/i386.c (override_options): Similarly.  Enable
        accumulate-outgoing-args if not explicitly disabled.
testsuite/
        * g++.dg/eh/omit-frame-pointer.C: Remove i?86 specific options.
        * g++.dg/eh/omit-frame-pointer2.C: Likewise.
libjava/
        * configure.host (i?86-*): Set -fomit-frame-pointer in libgcj_flags,
        but not BACKTRACESPEC.
        (x86_64-*): Similarly.  Don't set -ffloat-store in 64-bit mode.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@105009 138bc75d-0d04-0410-961f-82ee72b054a4