[clang] [clang-tools-extra] [clang] Heuristic resolution for explicit object parameter (PR #155143)

[Yanzuo Liu via cfe-commits]

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@@ -301,9 +302,34 @@ std::vector<const NamedDecl *> HeuristicResolverImpl::resolveMemberExpr(
     return {};
   }
 
+  // check if member expr is in the context of an explicit object method
+  // If so, it's safe to assume the templated arg is of type of the record
+  const auto ExplicitMemberHeuristic =
+      [&](const Expr *Base) -> std::optional<QualType> {
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zwuis wrote:

`QualType` is nullable.

https://github.com/llvm/llvm-project/pull/155143