[clang-tools-extra] [clang-tidy] Fix bugprone-misplaced-widening-cast false positive on bitfield assignments (PR #197554)

[via cfe-commits]

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@@ -380,6 +372,12 @@ Changes in existing checks
   <clang-tidy/checks/bugprone/macro-parentheses>` check by printing the macro
   definition in the warning message if the macro is defined on command line.
 
+- Improved :doc:`bugprone-misplaced-widening-cast
+  <clang-tidy/checks/bugprone/misplaced-widening-cast>` check by fixing a false
+  positive on bit field assignments when `CheckImplicitCasts` is enabled. The
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earnol wrote:

Done.

https://github.com/llvm/llvm-project/pull/197554