Visibility modifiers are no longer allowed on local classes

compiler/frontend/src/org/jetbrains/kotlin/resolve/ModifiersChecker.kt

@@ -47,6 +47,10 @@ public object ModifierCheckerCore {
         COMPATIBLE_FOR_CLASSES_ONLY
     }
 
+    private val defaultVisibilityTargets = EnumSet.of(CLASS_ONLY, OBJECT, INTERFACE, INNER_CLASS, ENUM_CLASS, ANNOTATION_CLASS,
+                                                      MEMBER_FUNCTION, TOP_LEVEL_FUNCTION, PROPERTY_GETTER, PROPERTY_SETTER,
+                                                      MEMBER_PROPERTY, TOP_LEVEL_PROPERTY, CONSTRUCTOR)
+
     private val possibleTargetMap = mapOf<JetModifierKeywordToken, Set<KotlinTarget>>(
             ENUM_KEYWORD      to EnumSet.of(ENUM_CLASS),
             ABSTRACT_KEYWORD  to EnumSet.of(CLASS_ONLY, LOCAL_CLASS, INNER_CLASS, INTERFACE, MEMBER_PROPERTY, MEMBER_FUNCTION),
@@ -56,13 +60,11 @@ public object ModifierCheckerCore {
             // We should have also CLASS_ONLY here because INNER_CLASS is not always perfectly identified
             INNER_KEYWORD     to EnumSet.of(CLASS_ONLY, INNER_CLASS),
             OVERRIDE_KEYWORD  to EnumSet.of(MEMBER_PROPERTY, MEMBER_FUNCTION),
-            PRIVATE_KEYWORD   to EnumSet.of(CLASS, MEMBER_FUNCTION, TOP_LEVEL_FUNCTION, PROPERTY_GETTER, PROPERTY_SETTER,
+            PRIVATE_KEYWORD   to defaultVisibilityTargets,
-                                            MEMBER_PROPERTY, TOP_LEVEL_PROPERTY, CONSTRUCTOR),
+            PUBLIC_KEYWORD    to defaultVisibilityTargets,
-            PUBLIC_KEYWORD    to EnumSet.of(CLASS, MEMBER_FUNCTION, TOP_LEVEL_FUNCTION, PROPERTY_GETTER, PROPERTY_SETTER,
+            INTERNAL_KEYWORD  to defaultVisibilityTargets,
-                                            MEMBER_PROPERTY, TOP_LEVEL_PROPERTY, CONSTRUCTOR),
+            PROTECTED_KEYWORD to EnumSet.of(CLASS_ONLY, OBJECT, INTERFACE, INNER_CLASS, ENUM_CLASS, ANNOTATION_CLASS,
-            INTERNAL_KEYWORD  to EnumSet.of(CLASS, MEMBER_FUNCTION, TOP_LEVEL_FUNCTION, PROPERTY_GETTER, PROPERTY_SETTER,
+                                            MEMBER_FUNCTION, PROPERTY_GETTER, PROPERTY_SETTER, MEMBER_PROPERTY, CONSTRUCTOR),
-                                            MEMBER_PROPERTY, TOP_LEVEL_PROPERTY, CONSTRUCTOR),
-            PROTECTED_KEYWORD to EnumSet.of(CLASS, MEMBER_FUNCTION, PROPERTY_GETTER, PROPERTY_SETTER, MEMBER_PROPERTY, CONSTRUCTOR),
             IN_KEYWORD        to EnumSet.of(TYPE_PARAMETER, TYPE_PROJECTION),
             OUT_KEYWORD       to EnumSet.of(TYPE_PARAMETER, TYPE_PROJECTION),
             REIFIED_KEYWORD   to EnumSet.of(TYPE_PARAMETER),

compiler/testData/diagnostics/tests/modifiers/NoLocalVisibility.kt

@@ -0,0 +1,6 @@
+fun foo() {
+    <!WRONG_MODIFIER_TARGET!>public<!> class A
+    <!WRONG_MODIFIER_TARGET!>private<!> class B
+    <!WRONG_MODIFIER_TARGET!>protected<!> class C
+    <!WRONG_MODIFIER_TARGET!>internal<!> class D
+}

compiler/testData/diagnostics/tests/modifiers/NoLocalVisibility.txt

@@ -0,0 +1,3 @@
+package
+
+public fun foo(): kotlin.Unit

compiler/testData/diagnostics/tests/modifiers/repeatedModifiers.kt

@@ -31,7 +31,7 @@ public <!REPEATED_MODIFIER!>public<!> val bar: Int = 1
 public <!REPEATED_MODIFIER!>public<!> fun foo(): Int = 1
 
 fun test() {
-    public <!REPEATED_MODIFIER!>public<!> class B(public <!REPEATED_MODIFIER!>public<!> val z: Int = 1) {
+    <!WRONG_MODIFIER_TARGET!>public<!> <!REPEATED_MODIFIER!>public<!> class B(public <!REPEATED_MODIFIER!>public<!> val z: Int = 1) {
         public <!REPEATED_MODIFIER!>public<!> val y: Int = 2
 
         public val x: Int

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

@@ -9156,6 +9156,12 @@ public class JetDiagnosticsTestGenerated extends AbstractJetDiagnosticsTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("NoLocalVisibility.kt")
+            public void testNoLocalVisibility() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/modifiers/NoLocalVisibility.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("primaryConstructorMissingKeyword.kt")
             public void testPrimaryConstructorMissingKeyword() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/modifiers/primaryConstructorMissingKeyword.kt");