[clang] [clang] Introduce [[clang::lifetime_capture_by(X)]] (PR #111499)

[Haojian Wu via cfe-commits]

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@@ -452,6 +452,7 @@ def ShiftOpParentheses: DiagGroup<"shift-op-parentheses">;
 def OverloadedShiftOpParentheses: DiagGroup<"overloaded-shift-op-parentheses">;
 def DanglingAssignment: DiagGroup<"dangling-assignment">;
 def DanglingAssignmentGsl : DiagGroup<"dangling-assignment-gsl">;
+def DanglingCapture : DiagGroup<"dangling-capture">;
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hokein wrote:

we should probably add category to the  `dangling` group (line 463).

https://github.com/llvm/llvm-project/pull/111499