KMP: Put "prohbit implicit Java actualization" under the flag

^KT-61668 Fixed

Review: https://jetbrains.team/p/kt/reviews/12062/timeline

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendMPPDiagnosticsWithLightTreeTestGenerated.java

@@ -1532,6 +1532,12 @@ public class FirOldFrontendMPPDiagnosticsWithLightTreeTestGenerated extends Abst
             runTest("compiler/testData/diagnostics/tests/multiplatform/java/implicitJavaActualization_multipleActuals.kt");
         }
 
+        @Test
+        @TestMetadata("implicitJavaActualization_oldLanguageVersion.kt")
+        public void testImplicitJavaActualization_oldLanguageVersion() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/multiplatform/java/implicitJavaActualization_oldLanguageVersion.kt");
+        }
+
         @Test
         @TestMetadata("inheritedJavaMembers.kt")
         public void testInheritedJavaMembers() throws Exception {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirOldFrontendMPPDiagnosticsWithPsiTestGenerated.java

@@ -1532,6 +1532,12 @@ public class FirOldFrontendMPPDiagnosticsWithPsiTestGenerated extends AbstractFi
             runTest("compiler/testData/diagnostics/tests/multiplatform/java/implicitJavaActualization_multipleActuals.kt");
         }
 
+        @Test
+        @TestMetadata("implicitJavaActualization_oldLanguageVersion.kt")
+        public void testImplicitJavaActualization_oldLanguageVersion() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/multiplatform/java/implicitJavaActualization_oldLanguageVersion.kt");
+        }
+
         @Test
         @TestMetadata("inheritedJavaMembers.kt")
         public void testInheritedJavaMembers() throws Exception {

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

@@ -124,6 +124,7 @@ class ExpectedActualDeclarationChecker(
         module: ModuleDescriptor,
         context: DeclarationCheckerContext
     ) {
+        if (!context.languageVersionSettings.supportsFeature(LanguageFeature.MultiplatformRestrictions)) return
         val actualMembers = actuals
             .filter { (compatibility, _) -> compatibility.isCompatibleOrWeaklyIncompatible }
             .flatMap { (_, members) -> members }

compiler/testData/diagnostics/tests/multiplatform/java/implicitJavaActualization_oldLanguageVersion.fir.kt

@@ -0,0 +1,15 @@
+// LANGUAGE: -MultiplatformRestrictions
+// MODULE: m1-common
+// FILE: common.kt
+
+<!NO_ACTUAL_FOR_EXPECT{JVM}!>expect class <!PACKAGE_OR_CLASSIFIER_REDECLARATION!>Foo<!>() {
+    fun foo()
+}<!>
+
+// MODULE: m2-jvm()()(m1-common)
+// FILE: Foo.java
+
+public class Foo {
+    public void foo() {
+    }
+}

compiler/testData/diagnostics/tests/multiplatform/java/implicitJavaActualization_oldLanguageVersion.kt

@@ -0,0 +1,15 @@
+// LANGUAGE: -MultiplatformRestrictions
+// MODULE: m1-common
+// FILE: common.kt
+
+expect class Foo() {
+    fun foo()
+}
+
+// MODULE: m2-jvm()()(m1-common)
+// FILE: Foo.java
+
+public class Foo {
+    public void foo() {
+    }
+}

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java

@@ -24527,6 +24527,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
                     runTest("compiler/testData/diagnostics/tests/multiplatform/java/implicitJavaActualization_multipleActuals.kt");
                 }
 
+                @Test
+                @TestMetadata("implicitJavaActualization_oldLanguageVersion.kt")
+                public void testImplicitJavaActualization_oldLanguageVersion() throws Exception {
+                    runTest("compiler/testData/diagnostics/tests/multiplatform/java/implicitJavaActualization_oldLanguageVersion.kt");
+                }
+
                 @Test
                 @TestMetadata("inheritedJavaMembers.kt")
                 public void testInheritedJavaMembers() throws Exception {