diff --git a/tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAssignabilityConstructorFunction.ts b/tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAssignabilityConstructorFunction.ts
new file mode 100644
index 00000000000..4a6f6cc3d61
--- /dev/null
+++ b/tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractAssignabilityConstructorFunction.ts
@@ -0,0 +1,8 @@
+abstract class A { }
+
+// var AA: typeof A;
+var AAA: new() => A;
+
+// AA = A; // okay
+AAA = A; // error. 
+AAA = "asdf";
\ No newline at end of file