[clang] [clang-tools-extra] [llvm] Fix some typos (PR #123506)

[via llvm-commits]

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@@ -224,7 +224,7 @@ class DiagStorageAllocator {
 
 /// Concrete class used by the front-end to report problems and issues.
 ///
-/// This massages the diagnostics (e.g. handling things like "report warnings
+/// This messages the diagnostics (e.g. handling things like "report warnings
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cor3ntin wrote:

I think `massages` is correct here (as in adapts/cleans up)

https://github.com/llvm/llvm-project/pull/123506