builtins.c (stabilize_va_list): Stabilize array type va_list to a pointer type, not the base record type.
* builtins.c (stabilize_va_list): Stabilize array type va_list
to a pointer type, not the base record type.
(expand_builtin_va_copy): Dereference the pointers explicitly;
use the correct size for the copy.
* rs6000.c (rs6000_va_start): Dereference valist to get to the record.
(rs6000_va_arg): Likewise.
From-SVN: r29690
