JS: fix non-abstract extension properties in interfaces

KT-20994

compiler/testData/codegen/box/extensionProperties/nonAbstractInInterface.kt

@@ -0,0 +1,19 @@
+interface I {
+    val String.foo: String
+        get() = this + ";" + bar()
+
+    fun bar(): String
+}
+
+class C : I {
+    override fun bar() = "C.bar"
+
+    fun test() = "test".foo
+}
+
+fun box(): String {
+    val r = C().test()
+    if (r != "test;C.bar") return "fail: $r"
+
+    return "OK"
+}

compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java

@@ -8591,6 +8591,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             doTest(fileName);
         }
 
+        @TestMetadata("nonAbstractInInterface.kt")
+        public void testNonAbstractInInterface() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/extensionProperties/nonAbstractInInterface.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("topLevel.kt")
         public void testTopLevel() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/extensionProperties/topLevel.kt");

compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java

@@ -8591,6 +8591,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             doTest(fileName);
         }
 
+        @TestMetadata("nonAbstractInInterface.kt")
+        public void testNonAbstractInInterface() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/extensionProperties/nonAbstractInInterface.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("topLevel.kt")
         public void testTopLevel() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/extensionProperties/topLevel.kt");

compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -8591,6 +8591,12 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             doTest(fileName);
         }
 
+        @TestMetadata("nonAbstractInInterface.kt")
+        public void testNonAbstractInInterface() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/extensionProperties/nonAbstractInInterface.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("topLevel.kt")
         public void testTopLevel() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/extensionProperties/topLevel.kt");