[LLVMdev] llvm-gcc builds on 32 bit linux broken

[John Regehr]

> to limitx.h like so:
>
> #ifdef _GCC_NEXT_LIMITS_H
> +#define _GCC_LIMITS_H_
> #include_next <limits.h>
> #undef _GCC_NEXT_LIMITS_H

This fixes this problem for me on Ubuntu Hardy on x86-64.

John