[Bug c/70955] regression in code generation for __builtin_ms_va_list in GCC 6.1

[zenith432 at users dot sourceforge.net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70955

--- Comment #2 from zenith432 at users dot sourceforge.net ---
Created attachment 38417
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38417&action=edit
va_test.c