[FIR] Implement Native test infrastructure, add FirNativeSessionFactory

compiler/testData/diagnostics/nativeTests/topLevelSingleton.fir.kt

@@ -0,0 +1,114 @@
+// FILE: annotation.kt
+package kotlin.native.concurrent
+
+@Target(AnnotationTarget.PROPERTY, AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.BINARY)
+annotation class ThreadLocal
+
+// FILE: test.kt
+import kotlin.native.concurrent.ThreadLocal
+
+import kotlin.reflect.KProperty
+
+class Delegate {
+    val value: Int = 10
+    operator fun getValue(thisRef: Any?, property: KProperty<*>): Int {
+        return value
+    }
+
+    operator fun setValue(thisRef: Any?, property: KProperty<*>, value: Int) {
+    }
+}
+
+class AtomicInt(var value: Int)
+object Foo {
+    var field1: Int = 10
+    val backer2 = AtomicInt(0)
+    var field2: Int
+        get() = backer2.value
+        set(value: Int) { backer2.value = value }
+}
+
+object Foo1 {
+    var field1: Int = 10
+        set(value: Int) { backer2.value = value }
+    val backer2 = AtomicInt(0)
+}
+
+object WithDelegate {
+    var field1: Int by Delegate()
+}
+
+@ThreadLocal
+object Bar {
+    var field1: Int = 10
+    var field2: String? = null
+}
+
+class Foo2 {
+    companion object {
+        var field1: Int = 10
+        val backer2 = AtomicInt(0)
+        var field2: Int
+            get() = backer2.value
+            set(value: Int) {
+                backer2.value = value
+            }
+    }
+}
+
+class Bar2 {
+    @ThreadLocal
+    companion object {
+        var field1: Int = 10
+        var field2: String? = null
+    }
+}
+
+@ThreadLocal
+enum class Color(var rgb: Int) {
+    RED(0xFF0000),
+    GREEN(0x00FF00),
+    BLUE(0x0000FF)
+}
+
+enum class Color1(var rgb: Int) {
+    RED(0xFF0000),
+    GREEN(0x00FF00),
+    BLUE(0x0000FF);
+
+    init { this.rgb += 1 }
+}
+
+@ThreadLocal
+var a = 3
+enum class Color2() {
+    RED(),
+    GREEN(),
+    BLUE();
+
+    var rgb: Int = 2
+        set(value: Int) {
+            a = value
+        }
+}
+
+enum class Color3() {
+    RED(),
+    GREEN(),
+    BLUE();
+
+    var field1: Int by Delegate()
+}
+
+enum class Color4 {
+    RED {
+        var a = 2
+        override fun foo() { a = 42 }
+    },
+    GREEN,
+    BLUE;
+    open fun foo() {}
+}
+
+var topLevelProperty = "Global var"