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
