Do not report DSL scope violation error when language-version is 1.0

#KT-11551 Fixed

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/checkers/DslScopeViolationCallChecker.kt

@@ -17,6 +17,7 @@
 package org.jetbrains.kotlin.resolve.calls.checkers
 
 import com.intellij.psi.PsiElement
+import org.jetbrains.kotlin.config.LanguageFeature
 import org.jetbrains.kotlin.descriptors.ClassDescriptor
 import org.jetbrains.kotlin.descriptors.annotations.AnnotationDescriptor
 import org.jetbrains.kotlin.descriptors.annotations.Annotations
@@ -32,6 +33,7 @@ import org.jetbrains.kotlin.resolve.scopes.utils.parentsWithSelf
 
 object DslScopeViolationCallChecker : CallChecker {
     override fun check(resolvedCall: ResolvedCall<*>, reportOn: PsiElement, context: CallCheckerContext) {
+        if (!context.languageVersionSettings.supportsFeature(LanguageFeature.DslMarkersSupport)) return
         val callImplicitReceivers = resolvedCall.getImplicitReceivers()
 
         for (callImplicitReceiver in callImplicitReceivers) {

compiler/testData/diagnostics/tests/resolve/dslMarker/unsupportedFeature.kt

@@ -0,0 +1,28 @@
+// !LANGUAGE: -DslMarkersSupport
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+@DslMarker
+annotation class Ann
+
+@Ann
+class A {
+    fun a() = 1
+}
+
+@Ann
+class B {
+    fun b() = 2
+}
+
+fun foo(x: A.() -> Unit) {}
+fun bar(x: B.() -> Unit) {}
+
+fun test() {
+    foo {
+        a()
+        bar {
+            a()
+            this@foo.a()
+            b()
+        }
+    }
+}

compiler/testData/diagnostics/tests/resolve/dslMarker/unsupportedFeature.txt

@@ -0,0 +1,28 @@
+package
+
+public fun bar(/*0*/ x: B.() -> kotlin.Unit): kotlin.Unit
+public fun foo(/*0*/ x: A.() -> kotlin.Unit): kotlin.Unit
+public fun test(): kotlin.Unit
+
+@Ann public final class A {
+    public constructor A()
+    public final fun a(): 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
+}
+
+@kotlin.DslMarker public final annotation class Ann : kotlin.Annotation {
+    public constructor Ann()
+    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
+}
+
+@Ann public final class B {
+    public constructor B()
+    public final fun b(): 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/DiagnosticsTestGenerated.java

@@ -15941,6 +15941,12 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTest {
                     doTest(fileName);
                 }
 
+                @TestMetadata("unsupportedFeature.kt")
+                public void testUnsupportedFeature() throws Exception {
+                    String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/resolve/dslMarker/unsupportedFeature.kt");
+                    doTest(fileName);
+                }
+
                 @TestMetadata("useOfExtensions.kt")
                 public void testUseOfExtensions() throws Exception {
                     String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/resolve/dslMarker/useOfExtensions.kt");

compiler/util/src/org/jetbrains/kotlin/config/LanguageVersionSettings.kt

@@ -29,7 +29,8 @@ enum class LanguageFeature(val sinceVersion: LanguageVersion) {
     DataClassInheritance(KOTLIN_1_1),
     InlineProperties(KOTLIN_1_1),
     DestructuringLambdaParameters(KOTLIN_1_1),
-    SingleUnderscoreForParameterName(KOTLIN_1_1)
+    SingleUnderscoreForParameterName(KOTLIN_1_1),
+    DslMarkersSupport(KOTLIN_1_1)
     ;
 
     val presentableText: String