[clang] [clang][Diagnostics] Only record lexer check points when colors are enabled (PR #204926)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- clang/include/clang/Lex/Preprocessor.h clang/lib/Lex/Preprocessor.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Lex/Preprocessor.cpp b/clang/lib/Lex/Preprocessor.cpp
index ee19d067d..5ee53a937 100644
--- a/clang/lib/Lex/Preprocessor.cpp
+++ b/clang/lib/Lex/Preprocessor.cpp
@@ -103,9 +103,8 @@ Preprocessor::Preprocessor(const PreprocessorOptions &PPOpts,
   OwnsHeaderSearch = OwnsHeaders;
 
   // Only record check points if we might highlight diagnostic snippets.
-  RecordCheckPoints =
-      getDiagnostics().getDiagnosticOptions().getShowColors() !=
-      ShowColorsKind::Off;
+  RecordCheckPoints = getDiagnostics().getDiagnosticOptions().getShowColors() !=
+                      ShowColorsKind::Off;
 
   // Default to discarding comments.
   KeepComments = false;

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https://github.com/llvm/llvm-project/pull/204926