[Bug libstdc++/65669] Don't emit debug info for fake_ostream version of cerr (and others)

[dje at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65669

--- Comment #3 from Doug Evans <dje at google dot com> ---
(In reply to Doug Evans from comment #2)
> I was wondering if one could just do a strip --strip-debug of globals_io.o
> in the Makefile.

This doesn't work, as is, because gdb ignores the DIE with the real type (from
ios_init.cc) because it's a declaration.