[PATCH] D89416: clang-{tools,unittests}: Stop using SourceManager::getBuffer, NFC

[Duncan P. N. Exon Smith via Phabricator via cfe-commits]

dexonsmith created this revision.
dexonsmith added a reviewer: arphaman.
Herald added subscribers: usaxena95, ributzka, kadircet.
Herald added a reviewer: shafik.
dexonsmith requested review of this revision.

Update clang-tools-extra, clang/tools, clang/unittests to migrate from
`SourceManager::getBuffer`, which returns an always dereferenceable
`MemoryBuffer*`, to `getBufferOrNone` or `getBufferOrFake`, both of
which return a `MemoryBufferRef`, depending on whether the call site was
checking for validity of the buffer. No functionality change intended.


https://reviews.llvm.org/D89416

Files:
  clang-tools-extra/clang-tidy/bugprone/SuspiciousSemicolonCheck.cpp
  clang-tools-extra/clang-tidy/misc/RedundantExpressionCheck.cpp
  clang-tools-extra/clang-tidy/misc/StaticAssertCheck.cpp
  clang-tools-extra/clang-tidy/readability/MagicNumbersCheck.cpp
  clang-tools-extra/clangd/ParsedAST.cpp
  clang-tools-extra/clangd/SemanticHighlighting.cpp
  clang-tools-extra/clangd/SourceCode.cpp
  clang-tools-extra/modularize/PreprocessorTracker.cpp
  clang/tools/clang-diff/ClangDiff.cpp
  clang/tools/clang-import-test/clang-import-test.cpp
  clang/tools/libclang/CIndex.cpp
  clang/unittests/AST/ASTImporterTest.cpp

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