[PATCH] D146842: [clang-tidy] Fix crash when handling invalid config values

[Piotr Zegar via Phabricator via cfe-commits]

PiotrZSL created this revision.
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Currently due to missing DiagnosticsEngine when invalid
enum config value is passed to check, and --dump-config
is used, clang-tidy would crash. This change fixes this
and extends --verify-config command to actually verify
those invalid enum values instead of ignoring them and
printing that 'No config errors detected.'.

Fixes:

- https://github.com/llvm/llvm-project/issues/50876


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D146842

Files:
  clang-tools-extra/clang-tidy/ClangTidy.cpp
  clang-tools-extra/clang-tidy/ClangTidy.h
  clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp
  clang-tools-extra/test/clang-tidy/infrastructure/invalid-enum-config-value.cpp

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