[PATCH] D137534: [C++20] [Modules] [ClangScanDeps] Allow clang-scan-deps to without specified compilation database in P1689 (3/4)

[Chuanqi Xu via Phabricator via cfe-commits]

ChuanqiXu added a subscriber: h-vetinari.
ChuanqiXu added a comment.

@jansvoboda11 gentle ping~ (although I feel it may be hard to land this before the branching since I'll take a vacation in 19th until February, @h-vetinari said it should be OK to backport these patches to branched 16.x.)


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  https://reviews.llvm.org/D137534/new/

https://reviews.llvm.org/D137534