[PATCH] Temporary fix for PR bootstrap/44146

[Jan Hubicka]

>  Currently the bootstrap on *-apple-darwin* is failing periodically
> with changes in svn since the introduction of...
> 
> r159371 | hubicka | 2010-05-13 13:47:48 -0400 (Thu, 13 May 2010) | 3 lines
> 
>         * varpool.c (decide_is_variable_needed): Drop code checking
>         TREE_SYMBOL_REFERENCED.
> 
> Until the exact cause of these bootstrap failures is found and
> solved, darwin should revert to the previous behavior to allow
> for general testing of unpatched gcc trunk. Regression tested at
> r159434 on x86_64-apple-darwin10. Okay for gcc trunk?

Can I have at least a simple testcase showing the problem?

Honza