Add positioning strategy DECLARATION_NAME for DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE.

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/Errors.java

@@ -245,7 +245,9 @@ public interface Errors {
     DiagnosticFactory0<KtSuperTypeEntry> SUPERTYPE_NOT_INITIALIZED = DiagnosticFactory0.create(ERROR);
 
     DiagnosticFactory0<KtTypeReference> DELEGATION_NOT_TO_INTERFACE = DiagnosticFactory0.create(ERROR);
-    DiagnosticFactory2<KtDeclaration, CallableMemberDescriptor, List<CallableMemberDescriptor>> DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE = DiagnosticFactory2.create(WARNING);
+    DiagnosticFactory2<KtClassOrObject, CallableMemberDescriptor, List<CallableMemberDescriptor>> DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE =
+            DiagnosticFactory2.create(WARNING, DECLARATION_NAME);
+
     DiagnosticFactory0<KtTypeReference> SUPERTYPE_NOT_A_CLASS_OR_INTERFACE = DiagnosticFactory0.create(ERROR);
     DiagnosticFactory0<KtTypeReference> SUPERTYPE_IS_EXTENSION_FUNCTION_TYPE = DiagnosticFactory0.create(ERROR);
     DiagnosticFactory0<KtTypeReference> SUPERTYPE_IS_SUSPEND_FUNCTION_TYPE = DiagnosticFactory0.create(ERROR);

compiler/frontend/src/org/jetbrains/kotlin/resolve/checkers/DelegationChecker.kt

@@ -55,7 +55,7 @@ class DelegationChecker : DeclarationChecker {
     }
 
     private fun checkDescriptor(
-            classDeclaration: KtDeclaration,
+            classDeclaration: KtClassOrObject,
             delegatedDescriptor: CallableMemberDescriptor,
             delegatedToDescriptor: CallableMemberDescriptor,
             diagnosticHolder: DiagnosticSink

compiler/testData/diagnostics/tests/delegation/covariantOverrides/fromClass.kt

@@ -6,7 +6,7 @@ open class IDerived1 : IBase1 {
     override fun foo(): String = "1"
 }
 
-<!DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!><!RETURN_TYPE_MISMATCH_BY_DELEGATION!>class Broken1<!>(val b: IBase1) : IBase1 by b, IDerived1()<!>
+<!RETURN_TYPE_MISMATCH_BY_DELEGATION, DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!>class Broken1<!>(val b: IBase1) : IBase1 by b, IDerived1()
 
 interface IBase2 {
     val foo: Any
@@ -16,4 +16,4 @@ open class IDerived2 : IBase2 {
     override val foo: String = "2"
 }
 
-<!DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!><!PROPERTY_TYPE_MISMATCH_BY_DELEGATION!>class Broken2<!>(val b: IBase2) : IBase2 by b, IDerived2()<!>
+<!PROPERTY_TYPE_MISMATCH_BY_DELEGATION, DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!>class Broken2<!>(val b: IBase2) : IBase2 by b, IDerived2()

compiler/testData/diagnostics/tests/delegation/memberHidesSupertypeOverride/fakeOverrideInTheMiddle.kt

@@ -10,4 +10,4 @@ abstract class Middle : Base {
 
 abstract class MyClass : Middle()
 
-<!DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!>class A : MyClass(), Base by Delegate()<!>
+<!DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!>class A<!> : MyClass(), Base by Delegate()

compiler/testData/diagnostics/tests/delegation/memberHidesSupertypeOverride/severalDelegates.kt

@@ -22,6 +22,6 @@ public abstract class MyClass : Base1, Base2 {
     }
 }
 
-<!DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE, DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!><!MANY_IMPL_MEMBER_NOT_IMPLEMENTED!>class A<!> : MyClass(), Base1 by Delegate1(), <!SUPERTYPE_APPEARS_TWICE!>Base1<!> by <!TYPE_MISMATCH!>Delegate2()<!> {
+<!MANY_IMPL_MEMBER_NOT_IMPLEMENTED, DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE, DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!>class A<!> : MyClass(), Base1 by Delegate1(), <!SUPERTYPE_APPEARS_TWICE!>Base1<!> by <!TYPE_MISMATCH!>Delegate2()<!> {
 
-}<!>
+}

compiler/testData/diagnostics/tests/delegation/memberHidesSupertypeOverride/simple.kt

@@ -14,6 +14,6 @@ public abstract class MyClass : Base {
     }
 }
 
-<!DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!>class A : MyClass(), Base by Delegate() {
+<!DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!>class A<!> : MyClass(), Base by Delegate() {
     override fun getValue() = "Delegate"
-}<!>
+}

compiler/testData/diagnostics/tests/delegation/memberHidesSupertypeOverride/simple1.0.kt

@@ -16,6 +16,6 @@ public abstract class MyClass : Base {
     }
 }
 
-<!DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!>class A : MyClass(), Base by Delegate() {
+<!DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!>class A<!> : MyClass(), Base by Delegate() {
     override fun getValue() = "Delegate"
-}<!>
+}

compiler/testData/diagnostics/tests/duplicateJvmSignature/erasure/superTraitAndDelegationToTraitImpl.kt

@@ -10,4 +10,4 @@ interface B {
 
 class <!CONFLICTING_JVM_DECLARATIONS!>C(f: A<String>)<!>: A<String> by f, B
 
-<!DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!>class D(f: A<Int>): A<Int> by f, B<!>
+<!DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE!>class D<!>(f: A<Int>): A<Int> by f, B