[clang] [clang][CodeComplete] Use HeuristicResolver in getAsRecordDecl() (PR #130473)

[Younan Zhang via cfe-commits]

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@@ -5346,27 +5348,11 @@ AddRecordMembersCompletionResults(Sema &SemaRef, ResultBuilder &Results,
 // Returns the RecordDecl inside the BaseType, falling back to primary template
 // in case of specializations. Since we might not have a decl for the
 // instantiation/specialization yet, e.g. dependent code.
-static RecordDecl *getAsRecordDecl(QualType BaseType) {
-  BaseType = BaseType.getNonReferenceType();
-  if (auto *RD = BaseType->getAsRecordDecl()) {
-    if (const auto *CTSD =
-            llvm::dyn_cast<ClassTemplateSpecializationDecl>(RD)) {
-      // Template might not be instantiated yet, fall back to primary template
-      // in such cases.
-      if (CTSD->getTemplateSpecializationKind() == TSK_Undeclared)
-        RD = CTSD->getSpecializedTemplate()->getTemplatedDecl();
-    }
-    return RD;
-  }
-
-  if (const auto *TST = BaseType->getAs<TemplateSpecializationType>()) {
-    if (const auto *TD = dyn_cast_or_null<ClassTemplateDecl>(
-            TST->getTemplateName().getAsTemplateDecl())) {
-      return TD->getTemplatedDecl();
-    }
-  }
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zyn0217 wrote:

I might be missing something, do we now call `resolveTemplateSpecializationType` somewhere?

https://github.com/llvm/llvm-project/pull/130473