mstorsjo added a comment.

In D152752#4626234 <https://reviews.llvm.org/D152752#4626234>, @rnk wrote:

> I need to get to it, my recollection is that @mstorsjo ran into the same 
> issue here for mingw and made some changes, I wanted to go dig those up as a 
> starting point. I may have completely forgotten things though.

Hmm, I don't remember doing anything in that area - I don't think I've had to 
touch variadics on i386 (or x86_64 for that matter) so far, or anything 
relating to aligned variadics. (The main thing that might sound similar to 
alignment was about setting up the homed registers on aarch64 when receiving 
variadics; there's some special casing there relating to whether the number of 
homed registers is even or odd. But all of that is much deeper within lowering 
in LLVM.)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D152752/new/

https://reviews.llvm.org/D152752

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