[PATCH] D72769: Replace CLANG_SPAWN_CC1 env var with a driver mode flag

[Hans Wennborg via Phabricator via cfe-commits]

hans added a comment.

In D72769#1823473 <https://reviews.llvm.org/D72769#1823473>, @sammccall wrote:

> As I understand, the original patch made the new behaviour on-by-default and will make the release, so we want this flag on the release branch too, right?


Yes, this is on my list. Thanks for keeping the release branch in mind :-)


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  https://reviews.llvm.org/D72769/new/

https://reviews.llvm.org/D72769