[clang-tools-extra] [clang-tidy] do not diagnose array types within implicit instantiations of a template (PR #132924)

[St. Muench via cfe-commits]

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@@ -39,6 +39,30 @@ AST_MATCHER(clang::ParmVarDecl, isArgvOfMain) {
   return FD ? FD->isMain() : false;
 }
 
+bool isWithinImplicitTemplateInstantiation(const TypeLoc *MatchedTypeLoc,
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stmuench wrote:

I tried to implement it this way at first but unfortunately the `hasAncestor` matcher seems to not work correctly for matched `TypeLoc`s. The reason for that is not clear to me at all. That's why I added a manual implementation as workaround.

https://github.com/llvm/llvm-project/pull/132924