[clang-tools-extra] [clang-tidy] Fix FP/FN in cppcoreguidelines-missing-std-forward (PR #178651)

[Congcong Cai via cfe-commits]

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@@ -107,19 +107,21 @@ void MissingStdForwardCheck::registerMatchers(MatchFinder *Finder) {
 
   auto CapturedInLambda = hasDeclContext(cxxRecordDecl(
       isLambda(),
-      hasParent(lambdaExpr(forCallable(equalsBoundNode("func")),
-                           anyOf(CapturedInCaptureList, CapturedInBody)))));
+      hasAncestor(lambdaExpr(forCallable(equalsBoundNode("func")),
+                             anyOf(CapturedInCaptureList, CapturedInBody)))));
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HerrCai0907 wrote:

In my option, we should track lambda level by level instead of directly finding the most outside lambda expr.

https://github.com/llvm/llvm-project/pull/178651