[PATCH] PR64979: S/390: Fix setup of overflow area pointer in va_start

[Jakub Jelinek]

On Mon, Feb 09, 2015 at 10:50:34AM +0100, Andreas Krebbel wrote:
> Hi,
> 
> the attached patch fixes a critical problem in the va_start expansion
> code in the S/390 backend. The problem exists since GCC 4.0.
> 
> Ok to commit to 4.9 branch and mainline?

No.  This isn't a backend problem, but a bug in the tree-stdarg.c pass,
so should be fixed there, for all targets, rather than just worked around by
pessimizing unnecessarily one target.

	Jakub