Artem Chikin bfa63750ce [ClangImporter] Add a mode to create the underlying Clang 'CompilerInvocation' directly from 'cc1' arguments, bypassing the Clang driver, only in the 'emit-pcm' compilation flow. ...

Controlled with a new flag '-direct-clang-cc1-module-build'

This will allow clients to formulate 'swift-frontend' invocations with fully-specified set of cc1 arguments (using '-Xcc -Xclang -Xcc <FLAG>') required for the PCM build, without having to go through the driver.

2022-09-27 09:59:06 -07:00

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