[cfe-commits] [PATCH] AArch64 backend: Clang changes

[Tim Northover]

> Yeah, in principle it's obviously best to always pass variadic arguments
> on the stack.  I can sympathize with ABI authors who are afraid of
> the K&R legacy, though.

We actually had that until late last year. Then we discovered the
unholy duo of GCC itself and libffi that depended on K&R behaviour.
The complex va_arg was reluctantly created soon afterwards.

Tim.