PATCH: Support nested visibility push

[Daniel Jacobowitz]

On Thu, Mar 03, 2005 at 09:46:24AM -0800, H. J. Lu wrote:
> When
> 
> #pragma GCC visibility push(default)
> #pragma GCC visibility pop
> 
> are used for header file wrappers, we may have more 16
> 
> #pragma GCC visibility push(default)
> 
> Currently gcc will fail. This patch tries to support nested visibility
> push of the same visibility.

Why not just use a VEC, our convenient pushable data structure?

-- 
Daniel Jacobowitz
CodeSourcery, LLC