Fix private setter visibility for generic class

#KT-8888 fixed

compiler/testData/diagnostics/tests/scopes/invisibleSetter.kt

@@ -0,0 +1,9 @@
+class A<T> {
+    public var x: Int = 0
+        private set
+}
+
+fun main(args: Array<String>) {
+    val a = A<Any>()
+    <!INVISIBLE_SETTER!>a.x<!> = 1
+}

compiler/testData/diagnostics/tests/scopes/invisibleSetter.txt

@@ -0,0 +1,11 @@
+package
+
+public fun main(/*0*/ args: kotlin.Array<kotlin.String>): kotlin.Unit
+
+public final class A</*0*/ T> {
+    public constructor A</*0*/ T>()
+    public final var x: kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}

compiler/tests/org/jetbrains/kotlin/checkers/JetDiagnosticsTestGenerated.java

@@ -13146,6 +13146,12 @@ public class JetDiagnosticsTestGenerated extends AbstractJetDiagnosticsTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("invisibleSetter.kt")
+            public void testInvisibleSetter() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/scopes/invisibleSetter.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("kt1078.kt")
             public void testKt1078() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/scopes/kt1078.kt");

core/descriptors/src/org/jetbrains/kotlin/descriptors/impl/PropertyDescriptorImpl.java

@@ -256,7 +256,7 @@ public class PropertyDescriptorImpl extends VariableDescriptorWithInitializerImp
         substitutedDescriptor.setType(outType, substitutedTypeParameters, substitutedDispatchReceiver, substitutedReceiverType);
 
         PropertyGetterDescriptorImpl newGetter = getter == null ? null : new PropertyGetterDescriptorImpl(
-                substitutedDescriptor, getter.getAnnotations(), newModality, convertVisibility(getter.getVisibility(), newVisibility),
+                substitutedDescriptor, getter.getAnnotations(), newModality, getter.getVisibility(),
                 getter.hasBody(), getter.isDefault(), getter.isExternal(), kind, original == null ? null : original.getGetter(), SourceElement.NO_SOURCE
         );
         if (newGetter != null) {
@@ -264,7 +264,7 @@ public class PropertyDescriptorImpl extends VariableDescriptorWithInitializerImp
             newGetter.initialize(returnType != null ? substitutor.substitute(returnType, Variance.OUT_VARIANCE) : null);
         }
         PropertySetterDescriptorImpl newSetter = setter == null ? null : new PropertySetterDescriptorImpl(
-                substitutedDescriptor, setter.getAnnotations(), newModality, convertVisibility(setter.getVisibility(), newVisibility),
+                substitutedDescriptor, setter.getAnnotations(), newModality, setter.getVisibility(),
                 setter.hasBody(), setter.isDefault(), setter.isExternal(), kind, original == null ? null : original.getSetter(), SourceElement.NO_SOURCE
         );
         if (newSetter != null) {