FIR checker: report VIRTUAL_MEMBER_HIDDEN

compiler/testData/diagnostics/tests/java8Overrides/hidingMethodOfAny.fir.kt

@@ -1,5 +0,0 @@
-interface IA {
-    fun toString(): String = "IB"
-
-    override fun equals(other: Any?): Boolean
-}

compiler/testData/diagnostics/tests/java8Overrides/hidingMethodOfAny.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 interface IA {
     fun <!VIRTUAL_MEMBER_HIDDEN!>toString<!>(): String = "IB"
 

compiler/testData/diagnostics/tests/override/MultipleDefaultParametersInSupertypesNoOverride.fir.kt

@@ -1,15 +0,0 @@
-interface X {
-    fun foo(a : Int = 1)
-}
-
-interface Y {
-    fun foo(a : Int = 1)
-}
-
-class Z : X, Y {
-    fun foo(a : Int) {}
-}
-
-object ZO : X, Y {
-    fun foo(a : Int) {}
-}

compiler/testData/diagnostics/tests/override/MultipleDefaultParametersInSupertypesNoOverride.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 interface X {
     fun foo(a : Int = 1)
 }

compiler/testData/diagnostics/tests/override/NonGenerics.fir.kt

@@ -36,8 +36,8 @@ class MyChildClass() : MyClass() {}
 }
 
 <!ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED!>class MyIllegalClass4<!>() : MyTrait, MyAbstractClass() {
-    fun foo() {}
-    <!MUST_BE_INITIALIZED_OR_BE_ABSTRACT!>val pr : Unit<!>
+    fun <!VIRTUAL_MEMBER_HIDDEN!>foo<!>() {}
+    <!MUST_BE_INITIALIZED_OR_BE_ABSTRACT!>val <!VIRTUAL_MEMBER_HIDDEN!>pr<!> : Unit<!>
     override fun other() {}
     override val otherPr : Int = 1
 }

compiler/testData/diagnostics/tests/scopes/inheritance/methodsPriority.fir.kt

@@ -25,7 +25,7 @@ fun test() {
 }
 
 class E: A() {
-    fun foo() = A()
+    fun <!VIRTUAL_MEMBER_HIDDEN!>foo<!>() = A()
 
     init {
         val a: A = foo() // todo: discuss

compiler/testData/diagnostics/tests/targetedBuiltIns/backwardCompatibility/basic.fir.kt

@@ -1,18 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER -PLATFORM_CLASS_MAPPED_TO_KOTLIN
-
-abstract class Test1 : Map<String, String> {
-    fun containsKey(key: String): Boolean = TODO()
-
-    fun getOrDefault(key: String, defaultValue: String): String = TODO()
-}
-
-abstract class Test2 : MutableMap<String, String> {
-    fun replace(key: String, value: String): String? = TODO()
-}
-
-abstract class Test3 : java.util.AbstractMap<String, String>() {
-    fun containsKey(key: String): Boolean = TODO()
-
-    fun replace(key: String, value: String): String? = TODO()
-}
-

compiler/testData/diagnostics/tests/targetedBuiltIns/backwardCompatibility/basic.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER -PLATFORM_CLASS_MAPPED_TO_KOTLIN
 
 abstract class Test1 : Map<String, String> {

compiler/testData/diagnostics/tests/targetedBuiltIns/backwardCompatibility/delegation.fir.kt

@@ -1,32 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER -PLATFORM_CLASS_MAPPED_TO_KOTLIN
-
-
-// Default methods from Java interfaces are NOT overridden by delegation.
-// So, in the example below 'TestNoDelegationToDefaultMethods#replace' implicitly overrides a method from 'java.util.Map' (which is ok),
-// but not a method from 'WithDelegation' (would be an error).
-open class WithDelegation(val m: Map<String, String>) : Map<String, String> by m
-
-class TestNoDelegationToDefaultMethods(m: Map<String, String>): WithDelegation(m) {
-    fun containsKey(key: String): Boolean = TODO()
-
-    fun getOrDefault(key: String, defaultValue: String): String = TODO()
-
-    fun replace(key: String, value: String): String? = TODO()
-}
-
-
-
-interface IBaseWithKotlinDeclaration : Map<String, String> {
-    fun replace(key: String, value: String): String?
-}
-
-abstract class WithDelegation2(val m: Map<String, String>) : Map<String, String> by m, IBaseWithKotlinDeclaration
-
-abstract class TestNoDelegationToDefaultMethods2(m: Map<String, String>): WithDelegation2(m) {
-    fun containsKey(key: String): Boolean = TODO()
-
-    fun getOrDefault(key: String, defaultValue: String): String = TODO()
-
-    // VIRTUAL_MEMBER_HIDDEN: hides member declaration inherited from a Kotlin interface
-    fun replace(key: String, value: String): String? = TODO()
-}

compiler/testData/diagnostics/tests/targetedBuiltIns/backwardCompatibility/delegation.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER -PLATFORM_CLASS_MAPPED_TO_KOTLIN
 
 

compiler/testData/diagnostics/tests/targetedBuiltIns/backwardCompatibility/derivedInterfacesWithKotlinFun.fir.kt

@@ -1,15 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER -PLATFORM_CLASS_MAPPED_TO_KOTLIN
-
-interface IBaseWithKotlinDeclaration : Map<String, String> {
-    fun replace(key: String, value: String): String?
-}
-
-interface TestDerivedInterfaceHidingWithKotlinDeclaration : IBaseWithKotlinDeclaration {
-    // VIRTUAL_MEMBER_HIDDEN: hides member declaration inherited from a Kotlin interface
-    fun replace(key: String, value: String): String?
-}
-
-interface TestDerivedInterfaceDefaultWithKotlinDeclaration : IBaseWithKotlinDeclaration {
-    // VIRTUAL_MEMBER_HIDDEN: hides member declaration inherited from a Kotlin interface
-    fun replace(key: String, value: String): String? = TODO()
-}

compiler/testData/diagnostics/tests/targetedBuiltIns/backwardCompatibility/derivedInterfacesWithKotlinFun.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER -PLATFORM_CLASS_MAPPED_TO_KOTLIN
 
 interface IBaseWithKotlinDeclaration : Map<String, String> {

compiler/testData/diagnostics/testsWithStdLib/targetedBuiltIns/unsupportedFeature.fir.kt

@@ -14,11 +14,11 @@ class A : java.util.ArrayList<String>() {
 }
 
 class A1 : java.util.ArrayList<String>() {
-    // `stream` is defined in ArrayList, so it was possible to declare it in 1.0 without an 'override' keyword
+    // `stream` is defined in Collection, so it was possible to declare it in 1.0 without an 'override' keyword
     fun stream(): java.util.stream.Stream<String> = super.stream()
 
     // `sort` is defined in ArrayList, so it was impossible to declare it in 1.0 without an 'override' keyword
-    fun sort(c: Comparator<in String>?) {
+    fun <!VIRTUAL_MEMBER_HIDDEN!>sort<!>(c: Comparator<in String>?) {
         super.sort(c)
     }
 }

compiler/testData/diagnostics/testsWithStdLib/targetedBuiltIns/unsupportedFeature.kt

@@ -14,7 +14,7 @@ class A : java.util.ArrayList<String>() {
 }
 
 class A1 : java.util.ArrayList<String>() {
-    // `stream` is defined in ArrayList, so it was possible to declare it in 1.0 without an 'override' keyword
+    // `stream` is defined in Collection, so it was possible to declare it in 1.0 without an 'override' keyword
     fun stream(): java.util.stream.Stream<String> = super.<!UNRESOLVED_REFERENCE!>stream<!>()
 
     // `sort` is defined in ArrayList, so it was impossible to declare it in 1.0 without an 'override' keyword