diff --git a/compiler/testData/diagnostics/tests/cast/AsTypeAlias.kt b/compiler/testData/diagnostics/tests/cast/AsTypeAlias.kt
new file mode 100644
index 00000000000..321302d7f8d
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/cast/AsTypeAlias.kt
@@ -0,0 +1,18 @@
+typealias MyString = String
+
+val x: MyString = ""
+val y = x <!USELESS_CAST!>as Any<!>
+
+interface Base
+class Derived : Base
+interface Other : Base
+typealias IBase = Base
+typealias IOther = Other
+
+val ib: IBase = Derived()
+val d = ib as Derived
+val o = ib as Other
+val io = ib as IOther
+val s = d <!CAST_NEVER_SUCCEEDS!>as<!> String
+val ms = d <!CAST_NEVER_SUCCEEDS!>as<!> MyString
+
diff --git a/compiler/testData/diagnostics/tests/cast/AsTypeAlias.txt b/compiler/testData/diagnostics/tests/cast/AsTypeAlias.txt
new file mode 100644
index 00000000000..43341348ee0
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/cast/AsTypeAlias.txt
@@ -0,0 +1,32 @@
+package
+
+public typealias IBase = Base
+public typealias IOther = Other
+public typealias MyString = kotlin.String
+public val d: Derived
+public val ib: IBase /* = Base */
+public val io: IOther /* = Other */
+public val ms: MyString /* = kotlin.String */
+public val o: Other
+public val s: kotlin.String
+public val x: MyString /* = kotlin.String */ = ""
+public val y: kotlin.Any = ""
+
+public interface Base {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Derived : Base {
+    public constructor Derived()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface Other : Base {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
diff --git a/compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java
index d4f1e8bcc95..aa4eb65b985 100644
--- a/compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java
@@ -2445,6 +2445,12 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("AsTypeAlias.kt")
+            public void testAsTypeAlias() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/cast/AsTypeAlias.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("AsWithOtherParameter.kt")
             public void testAsWithOtherParameter() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/cast/AsWithOtherParameter.kt");