[PATCH] D132615: [clang][tooling] Allow -cc1 arguments in ToolInvocation

[Ben Langmuir via Phabricator via cfe-commits]

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ToolInvocation is useful even if you already have a -cc1 invocation,
since it provides a standard way to setup diagnostics, parse arguments,
and handoff to a ToolAction. So teach it to support -cc1 commands by
skipping the driver bits.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D132615

Files:
  clang/include/clang/Tooling/Tooling.h
  clang/lib/Tooling/Tooling.cpp
  clang/unittests/Tooling/ToolingTest.cpp

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