[Bug tree-optimization/49618] When building uClibc with GCC 4.6.1 old_atexit is miscompiled

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49618

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-07-04 
12:39:21 UTC ---
Created attachment 24674
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24674
gcc46-pr49618.patch

Untested more conservative 4.6 fix.