[Bug middle-end/46674] [4.6 Regression] Weak alias is mistakenly optimized away

[jiez at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46674

--- Comment #5 from Jie Zhang <jiez at gcc dot gnu.org> 2010-11-30 11:17:47 UTC 
---
Created attachment 22577
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22577
The patch

I'm testing this patch.