diff --git a/compiler/testData/codegen/box/extensionFunctions/kt3646.kt b/compiler/testData/codegen/box/extensionFunctions/kt3646.kt
new file mode 100644
index 00000000000..c3f758cf9a5
--- /dev/null
+++ b/compiler/testData/codegen/box/extensionFunctions/kt3646.kt
@@ -0,0 +1,11 @@
+fun test(cl: Int.() -> Int):Int = 11.cl()
+
+class Foo {
+    val a = test { this }
+}
+
+fun box(): String {
+    if (Foo().a != 11) return "fail"
+
+    return "OK"
+}
\ No newline at end of file
diff --git a/compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxCodegenTestGenerated.java b/compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxCodegenTestGenerated.java
index 2e2394cb3dc..d59efbbf6f5 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxCodegenTestGenerated.java
@@ -2119,6 +2119,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             doTest("compiler/testData/codegen/box/extensionFunctions/kt1953_class.kt");
         }
         
+        @TestMetadata("kt3646.kt")
+        public void testKt3646() throws Exception {
+            doTest("compiler/testData/codegen/box/extensionFunctions/kt3646.kt");
+        }
+        
         @TestMetadata("kt4118.kt")
         public void testKt4118() throws Exception {
             doTest("compiler/testData/codegen/box/extensionFunctions/kt4118.kt");