Report error on declaring 'getClass' in class or package

#KT-14147 Fixed

compiler/backend/src/org/jetbrains/kotlin/codegen/state/BuilderFactoryForDuplicateSignatureDiagnostics.kt

@@ -43,6 +43,7 @@ private val EXTERNAL_SOURCES_KINDS = arrayOf(
 )
 
 private val PREDEFINED_SIGNATURES = listOf(
+        "getClass()Ljava/lang/Class;",
         "notify()V",
         "notifyAll()V",
         "wait()V",

compiler/testData/diagnostics/tests/duplicateJvmSignature/finalMembersFromBuiltIns/waitNotifyGetClass.kt

@@ -8,6 +8,7 @@ class A {
     <!CONFLICTING_INHERITED_JVM_DECLARATIONS!>fun wait()<!> {}
     <!CONFLICTING_INHERITED_JVM_DECLARATIONS!>fun wait(l: Long)<!> {}
     <!CONFLICTING_INHERITED_JVM_DECLARATIONS!>fun wait(l: Long, i: Int)<!> {}
+    <!CONFLICTING_INHERITED_JVM_DECLARATIONS!>fun getClass(): Class<Any><!> = null!!
 }
 
 <!CONFLICTING_INHERITED_JVM_DECLARATIONS!>fun notify()<!> {}
@@ -15,3 +16,4 @@ class A {
 <!CONFLICTING_INHERITED_JVM_DECLARATIONS!>fun wait()<!> {}
 <!CONFLICTING_INHERITED_JVM_DECLARATIONS!>fun wait(l: Long)<!> {}
 <!CONFLICTING_INHERITED_JVM_DECLARATIONS!>fun wait(l: Long, i: Int)<!> {}
+<!CONFLICTING_INHERITED_JVM_DECLARATIONS!>fun getClass(): Class<Any><!> = null!!

compiler/testData/diagnostics/tests/duplicateJvmSignature/finalMembersFromBuiltIns/waitNotifyGetClass.txt

@@ -1,5 +1,6 @@
 package
 
+public fun getClass(): java.lang.Class<kotlin.Any>
 public fun notify(): kotlin.Unit
 public fun notifyAll(): kotlin.Unit
 public fun wait(): kotlin.Unit
@@ -9,6 +10,7 @@ public fun wait(/*0*/ l: kotlin.Long, /*1*/ i: kotlin.Int): kotlin.Unit
 public final class A {
     public constructor A()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public final fun getClass(): java.lang.Class<kotlin.Any>
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public final fun notify(): kotlin.Unit
     public final fun notifyAll(): kotlin.Unit

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

@@ -6278,9 +6278,9 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTest {
                     doTest(fileName);
                 }
 
-                @TestMetadata("waitNotify.kt")
+                @TestMetadata("waitNotifyGetClass.kt")
-                public void testWaitNotify() throws Exception {
+                public void testWaitNotifyGetClass() throws Exception {
-                    String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/duplicateJvmSignature/finalMembersFromBuiltIns/waitNotify.kt");
+                    String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/duplicateJvmSignature/finalMembersFromBuiltIns/waitNotifyGetClass.kt");
                     doTest(fileName);
                 }
             }