Jan Svoboda bff6d9bb0f [clang][cli] Report result of ParseLangArgs
This patch correctly reports success/failure of `ParseLangArgs`. Besides being consistent with  other `Parse` functions, this is required to make round-tripping of `LangOptions` work.

Reviewed By: dexonsmith

Differential Revision: https://reviews.llvm.org/D95792
2021-02-08 09:56:33 +01:00
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