diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp
--- a/clang/lib/AST/DeclBase.cpp
+++ b/clang/lib/AST/DeclBase.cpp
@@ -1771,7 +1771,8 @@
   if (!hasExternalVisibleStorage() && !hasExternalLexicalStorage() && Name) {
     lookup_result LookupResults = lookup(Name);
     Results.insert(Results.end(), LookupResults.begin(), LookupResults.end());
-    return;
+    if (!Results.empty())
+      return;
   }
 
   // If we have a lookup table, check there first. Maybe we'll get lucky.
diff --git a/clang/unittests/AST/ASTImporterTest.cpp b/clang/unittests/AST/ASTImporterTest.cpp
--- a/clang/unittests/AST/ASTImporterTest.cpp
+++ b/clang/unittests/AST/ASTImporterTest.cpp
@@ -4924,9 +4924,9 @@
   FooDC->getRedeclContext()->localUncachedLookup(FooName, FoundDecls);
   EXPECT_EQ(FoundDecls.size(), 0u);
 
-  // Cannot find in the LookupTable of its LexicalDC (A).
+  // Finds via linear search of its LexicalDC (A).
   FooLexicalDC->getRedeclContext()->localUncachedLookup(FooName, FoundDecls);
-  EXPECT_EQ(FoundDecls.size(), 0u);
+  EXPECT_EQ(FoundDecls.size(), 1u);
 
   // Can't find in the list of Decls of the DC.
   EXPECT_EQ(findInDeclListOfDC(FooDC, FooName), nullptr);
diff --git a/lldb/test/API/lang/cpp/gmodules/base-template-with-same-arg/TestBaseTemplateWithSameArg.py b/lldb/test/API/lang/cpp/gmodules/base-template-with-same-arg/TestBaseTemplateWithSameArg.py
--- a/lldb/test/API/lang/cpp/gmodules/base-template-with-same-arg/TestBaseTemplateWithSameArg.py
+++ b/lldb/test/API/lang/cpp/gmodules/base-template-with-same-arg/TestBaseTemplateWithSameArg.py
@@ -30,7 +30,6 @@
 class TestBaseTemplateWithSameArg(TestBase):
 
     @add_test_categories(["gmodules"])
-    @skipIf(bugnumber='rdar://96581048')
     def test_same_base_template_arg(self):
         self.build()