https://sourceware.org/bugzilla/show_bug.cgi?id=17498
--- Comment #7 from Cary Coutant <ccoutant at gmail dot com> ---
> $ cat test.cpp
> void g(const char* x);
> void f() {
> g("aoeuaoeuaoeuao");
> }
> $ gcc -shared -fPIC test.cpp -o test.so -fuse-ld=bfd -O2 && nm test.so |
> grep ' r '
> 0000000000000728 r __FRAME_END__
> $ gcc -shared -fPIC test.cpp -o test.so -fuse-ld=gold -O2 && nm test.so |
> grep ' r '
> 0000000000000760 r __FRAME_END__
> 00000000000006f5 r .LC0
>
> note the extra .LC0 with gold.
Ah, gas doesn't discard that local because it's in a merge section.
> > I'm not sure what you're asking for here, though. You want to make -X the
> > default?
>
> Yes, just have the some default for --discard-locals/-X as bfd ld.
Actually, Gnu ld's default is not -X. By default, it only discards local
symbols that are in merge sections (i.e., the only temporary locals that gas
doesn't discard).
To match Gnu ld, I'll need to add that behavior as the new default, and add a
--discard-none option.
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