[PATCH/RFC] Fix LD test FAIL: weak symbols on Cygwin

[Aaron W. LaFramboise]

H.J. Lu wrote:

> "weak symbols" also failed for i386-pc-mingw32 and it never worked.

OK, you are completely correct.  I'm very sorry for the wild goose 
chase.  This is <http://sources.redhat.com/bugzilla/show_bug.cgi?id=977>.

I am boggled that I did not fix this issue at the time, but I'll take a 
look at it and try to figure out what I know about it and why I didn't 
fix it.