This fails to link when building static-reloc.o but it's broken in other
ways too -- amonakov points out that glibc's linker scripts aren't
ready for gc-sections (odd runtime side-effects like I/O flushing at exit
not occurring), see PR21557 comment 0 for it being mentioned as an aside.
Thanks to holgerh for reporting.
Closes: https://bugs.gentoo.org/940709
Signed-off-by: Sam James <sam@gentoo.org>