[Bug c++/70084] [6 Regression] va_arg ((ap), int) regression on s390*-*

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70084

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 37869
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37869&action=edit
gcc6-pr70084.patch

Untested fix.