Switch default JVM target to 1.8

#KT-29405 Fixed

compiler/testData/diagnostics/tests/generics/kt9203.fir.kt

@@ -1,11 +0,0 @@
-// !WITH_NEW_INFERENCE
-// FULL_JDK
-
-import java.util.stream.Collectors
-import java.util.stream.IntStream
-
-fun main() {
-    val xs = IntStream.range(0, 10).mapToObj { it.toString() }
-            .collect(Collectors.toList())
-    xs[0]
-}

compiler/testData/diagnostics/tests/generics/kt9203.kt

@@ -1,11 +1,11 @@
-// !WITH_NEW_INFERENCE
+// FIR_IDENTICAL
 // FULL_JDK
 
 import java.util.stream.Collectors
 import java.util.stream.IntStream
 
 fun main() {
-    val xs = IntStream.<!INTERFACE_STATIC_METHOD_CALL_FROM_JAVA6_TARGET_ERROR!>range<!>(0, 10).mapToObj { it.toString() }
+    val xs = IntStream.range(0, 10).mapToObj { it.toString() }
             .collect(Collectors.toList())
     xs[0]
 }

compiler/testData/diagnostics/tests/j+k/defaultMethods.fir.kt

@@ -1,3 +1,4 @@
+// !JVM_TARGET: 1.6
 // FILE: JavaInterface.java
 
 public interface JavaInterface {

compiler/testData/diagnostics/tests/j+k/defaultMethods.kt

@@ -1,3 +1,4 @@
+// !JVM_TARGET: 1.6
 // FILE: JavaInterface.java
 
 public interface JavaInterface {

compiler/testData/diagnostics/tests/j+k/defaultMethodsIndirectInheritance.fir.kt

@@ -1,3 +1,4 @@
+// !JVM_TARGET: 1.6
 // FILE: JavaInterfaceBase.java
 
 public interface JavaInterfaceBase {

compiler/testData/diagnostics/tests/j+k/defaultMethodsIndirectInheritance.kt

@@ -1,3 +1,4 @@
+// !JVM_TARGET: 1.6
 // FILE: JavaInterfaceBase.java
 
 public interface JavaInterfaceBase {

compiler/testData/diagnostics/tests/j+k/defaultMethods_warning.fir.kt

@@ -1,4 +1,5 @@
-//!LANGUAGE: -DefaultMethodsCallFromJava6TargetError
+// !LANGUAGE: -DefaultMethodsCallFromJava6TargetError
+// !JVM_TARGET: 1.6
 // FILE: JavaInterface.java
 
 public interface JavaInterface {

compiler/testData/diagnostics/tests/j+k/defaultMethods_warning.kt

@@ -1,4 +1,5 @@
-//!LANGUAGE: -DefaultMethodsCallFromJava6TargetError
+// !LANGUAGE: -DefaultMethodsCallFromJava6TargetError
+// !JVM_TARGET: 1.6
 // FILE: JavaInterface.java
 
 public interface JavaInterface {

compiler/testData/diagnostics/tests/j+k/inheritanceStaticMethodFromInterface.fir.kt

@@ -1,32 +0,0 @@
-// FILE: I.java
-
-public interface I {
-    int a = 1;
-    static void foo() {}
-}
-
-// FILE: C.java
-
-public class C implements I {
-    static int b = 1;
-    static void bar() {}
-}
-
-// FILE: test.kt
-
-class K : C()
-
-fun main() {
-    I.a
-    I.foo()
-
-    C.a
-    C.b
-    C.<!UNRESOLVED_REFERENCE!>foo<!>()
-    C.bar()
-
-    K.<!UNRESOLVED_REFERENCE!>a<!>
-    K.<!UNRESOLVED_REFERENCE!>b<!>
-    K.<!UNRESOLVED_REFERENCE!>foo<!>()
-    K.<!UNRESOLVED_REFERENCE!>bar<!>()
-}

compiler/testData/diagnostics/tests/j+k/inheritanceStaticMethodFromInterface.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // FILE: I.java
 
 public interface I {
@@ -18,7 +19,7 @@ class K : C()
 
 fun main() {
     I.a
-    I.<!INTERFACE_STATIC_METHOD_CALL_FROM_JAVA6_TARGET_ERROR!>foo<!>()
+    I.foo()
 
     C.a
     C.b

compiler/testData/diagnostics/tests/j+k/traitDefaultCall.fir.kt

@@ -1,3 +1,4 @@
+// !JVM_TARGET: 1.6
 // FILE: Test.java
 public interface Test {
     default String test() {

compiler/testData/diagnostics/tests/j+k/traitDefaultCall.kt

@@ -1,3 +1,4 @@
+// !JVM_TARGET: 1.6
 // FILE: Test.java
 public interface Test {
     default String test() {

compiler/testData/diagnostics/tests/platformTypes/propagateFlexibilityFromOtherConstraints.fir.kt

@@ -1,32 +0,0 @@
-// FULL_JDK
-// FILE: test.kt
-
-@file:Suppress("UNUSED_PARAMETER")
-
-import java.util.Comparator
-
-abstract class DataView {
-    abstract val presentationName: String
-}
-
-fun <A> comboBox(
-    model: SortedComboBoxModel<A>,
-    graphProperty: GraphProperty<A>,
-) {}
-
-class GraphProperty<B>
-
-fun test() {
-    val presentationName: (DataView) -> String = { it.presentationName }
-    val parentComboBoxModel/*: SortedComboBoxModel<DataView>*/ = SortedComboBoxModel(Comparator.comparing(presentationName))
-    comboBox(parentComboBoxModel, GraphProperty<DataView>())
-}
-
-// FILE: SortedComboBoxModel.java
-
-import java.util.Comparator;
-
-public class SortedComboBoxModel<C> {
-    public SortedComboBoxModel(Comparator<? super C> comparator) {
-    }
-}

compiler/testData/diagnostics/tests/platformTypes/propagateFlexibilityFromOtherConstraints.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // FULL_JDK
 // FILE: test.kt
 
@@ -18,7 +19,7 @@ class GraphProperty<B>
 
 fun test() {
     val presentationName: (DataView) -> String = { it.presentationName }
-    val parentComboBoxModel/*: SortedComboBoxModel<DataView>*/ = SortedComboBoxModel(Comparator.<!INTERFACE_STATIC_METHOD_CALL_FROM_JAVA6_TARGET_ERROR!>comparing<!>(presentationName))
+    val parentComboBoxModel/*: SortedComboBoxModel<DataView>*/ = SortedComboBoxModel(Comparator.comparing(presentationName))
     comboBox(parentComboBoxModel, GraphProperty<DataView>())
 }
 
@@ -29,4 +30,4 @@ import java.util.Comparator;
 public class SortedComboBoxModel<C> {
     public SortedComboBoxModel(Comparator<? super C> comparator) {
     }
-}
+}

compiler/testData/diagnostics/tests/targetedBuiltIns/stream.fir.kt

@@ -1,13 +0,0 @@
-// !WITH_NEW_INFERENCE
-// FULL_JDK
-
-import java.util.stream.*
-
-interface A : Collection<String> {
-    override fun stream(): Stream<String> = Stream.of()
-}
-
-fun foo(x: List<String>, y: A) {
-    x.stream().filter { it.length > 0 }.collect(Collectors.toList())
-    y.stream().filter { it.length > 0 }
-}

compiler/testData/diagnostics/tests/targetedBuiltIns/stream.kt

@@ -1,10 +1,10 @@
-// !WITH_NEW_INFERENCE
+// FIR_IDENTICAL
 // FULL_JDK
 
 import java.util.stream.*
 
 interface A : Collection<String> {
-    override fun stream(): Stream<String> = Stream.<!INTERFACE_STATIC_METHOD_CALL_FROM_JAVA6_TARGET_ERROR!>of<!>()
+    override fun stream(): Stream<String> = Stream.of()
 }
 
 fun foo(x: List<String>, y: A) {