[PATCH] D105257: [clang][darwin] add support for remapping macOS availability to Mac Catalyst availability

[Alex Lorenz via Phabricator via llvm-commits]

arphaman added a comment.

In D105257#2853438 <https://reviews.llvm.org/D105257#2853438>, @dexonsmith wrote:

> Could the DarwinSDKInfo changes be tested directly with C++ unit tests? Since this stuff is in Basic it'd be nice to test it separately from the driver. If so, maybe they could also mostly land in a separate prep commit (except the update to `clang::parseDarwinSDKInfo` which is what changes the Driver behaviour).

I split the patch to also https://reviews.llvm.org/D105958 like you suggested.


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