[clang] [Clang] add -Wshift-bool warning to handle shifting of bool (PR #127336)

[Aaron Ballman via cfe-commits]

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@@ -461,6 +461,8 @@ def DanglingField : DiagGroup<"dangling-field">;
 def DanglingInitializerList : DiagGroup<"dangling-initializer-list">;
 def DanglingGsl : DiagGroup<"dangling-gsl">;
 def ReturnStackAddress : DiagGroup<"return-stack-address">;
+def ShiftBool: DiagGroup<"shift-bool">;
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AaronBallman wrote:

No need for this (see below).

https://github.com/llvm/llvm-project/pull/127336