[PATCH] D82428: [clang][driver] allow `-arch arm64` to be used to build for mac when on Apple Silicon Mac without explicit `-target`

[Alex Lorenz via Phabricator via llvm-commits]

arphaman added a comment.

In D82428#2110506 <https://reviews.llvm.org/D82428#2110506>, @steven_wu wrote:

> LGTM.
>
> Not sure if it makes more sense to break the patch into two commits:
>
> - config.guess change is for building the correct host triple on apple silicon machine without explicitly specify it.
> - the driver change is for better default on Apple silicon Mac.


That's a good idea, I will do that.


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https://reviews.llvm.org/D82428