The newly built libgcc_s.so.1 is never used for "make check"

[H. J. Lu]

The newly built libgcc_s.so.1 may not be used for "make check". It
leads to 2 problems:

1. The newly built libgcc_s.so.1 may be fully tested by "make check".
2. Those tests which won't work with old libgcc_s.so.1 may fail.

This patch

http://gcc.gnu.org/ml/gcc-patches/2004-07/msg01881.html

tries to fix PR 16633. There is another bug

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17311

Could someone please review my patch?

Thanks.


H.J.