Fix ambiguity when KtUltraLightClass contains overrides

#KT-27987 Fixed

compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/ultraLightPsi.kt

@@ -616,6 +616,8 @@ internal class KtUltraLightMethod(
         list
     }
 
+    override fun getHierarchicalMethodSignature() = PsiSuperMethodImplUtil.getHierarchicalMethodSignature(this)
+
     override fun getThrowsList(): PsiReferenceList = _throwsList
 }
 

idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/OverridesAmbiguity.java

@@ -0,0 +1,10 @@
+package test;
+
+class GenericOverrides {
+    public static void main(String[] args) {
+        KotlinClass b = new KotlinClass();
+        b.foo("");
+    }
+}
+
+

idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/OverridesAmbiguity.kt

@@ -0,0 +1,10 @@
+// ALLOW_AST_ACCESS
+package test
+
+open class Parent {
+    open fun foo(x: String) {}
+}
+
+open class KotlinClass : Parent() {
+    override fun foo(x: String) {}
+}

idea/tests/org/jetbrains/kotlin/checkers/JavaAgainstKotlinBinariesCheckerTestGenerated.java

@@ -129,6 +129,11 @@ public class JavaAgainstKotlinBinariesCheckerTestGenerated extends AbstractJavaA
         runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/MyFunctionType.kt");
     }
 
+    @TestMetadata("OverridesAmbiguity.kt")
+    public void testOverridesAmbiguity() throws Exception {
+        runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/OverridesAmbiguity.kt");
+    }
+
     @TestMetadata("ReturnInnerClasses.kt")
     public void testReturnInnerClasses() throws Exception {
         runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ReturnInnerClasses.kt");

idea/tests/org/jetbrains/kotlin/checkers/JavaAgainstKotlinSourceCheckerTestGenerated.java

@@ -131,6 +131,11 @@ public class JavaAgainstKotlinSourceCheckerTestGenerated extends AbstractJavaAga
             runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/MyFunctionType.kt");
         }
 
+        @TestMetadata("OverridesAmbiguity.kt")
+        public void testOverridesAmbiguity() throws Exception {
+            runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/OverridesAmbiguity.kt");
+        }
+
         @TestMetadata("ReturnInnerClasses.kt")
         public void testReturnInnerClasses() throws Exception {
             runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ReturnInnerClasses.kt");

idea/tests/org/jetbrains/kotlin/checkers/JavaAgainstKotlinSourceCheckerWithUltraLightTestGenerated.java

@@ -131,6 +131,11 @@ public class JavaAgainstKotlinSourceCheckerWithUltraLightTestGenerated extends A
             runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/MyFunctionType.kt");
         }
 
+        @TestMetadata("OverridesAmbiguity.kt")
+        public void testOverridesAmbiguity() throws Exception {
+            runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/OverridesAmbiguity.kt");
+        }
+
         @TestMetadata("ReturnInnerClasses.kt")
         public void testReturnInnerClasses() throws Exception {
             runTest("idea/testData/kotlinAndJavaChecker/javaAgainstKotlin/ReturnInnerClasses.kt");