Support @JvmField on interface properties

#KT-15807 Fixed

compiler/testData/codegen/box/reflection/mapping/interfaceCompanionPropertyWithJvmField.kt

@@ -0,0 +1,18 @@
+// !LANGUAGE: +JvmFieldInInterface
+// TARGET_BACKEND: JVM
+// WITH_REFLECT
+
+import kotlin.reflect.jvm.*
+import kotlin.test.assertEquals
+
+interface Foo {
+    companion object {
+        @JvmField
+        val value = "OK"
+    }
+}
+
+fun box(): String {
+    val field = Foo.Companion::value.javaField!!
+    return field.get(null) as String
+}

compiler/testData/codegen/box/reflection/properties/jvmFieldInAnnotationCompanionWithAnnotation.kt

@@ -0,0 +1,22 @@
+// !LANGUAGE: +JvmFieldInInterface +NestedClassesInAnnotations
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+// WITH_REFLECT
+
+import kotlin.reflect.full.declaredMemberProperties
+
+annotation class Ann(val value: String)
+
+public class Bar(public val value: String)
+
+annotation class Foo {
+    companion object {
+        @JvmField @Ann("O")
+        val FOO = Bar("K")
+    }
+}
+
+fun box(): String {
+    val field = Foo.Companion::class.declaredMemberProperties.single()
+    return (field.annotations.single() as Ann).value + (field.get(Foo.Companion) as Bar).value
+}

compiler/testData/codegen/box/reflection/properties/jvmFieldInInterfaceCompanion.kt

@@ -0,0 +1,23 @@
+// !LANGUAGE: +JvmFieldInInterface
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+// WITH_REFLECT
+import kotlin.reflect.KProperty1
+import kotlin.reflect.full.memberProperties
+import kotlin.reflect.full.companionObject
+
+class Bar(val value: String)
+
+interface Foo {
+
+    companion object {
+        @JvmField
+        val z = Bar("OK")
+    }
+}
+
+
+fun box(): String {
+    val field = Foo::class.companionObject!!.memberProperties.single() as KProperty1<Foo.Companion, Bar>
+    return field.get(Foo.Companion).value
+}

compiler/testData/codegen/box/reflection/properties/jvmFieldInInterfaceCompanionWithAnnotation.kt

@@ -0,0 +1,22 @@
+// !LANGUAGE: +JvmFieldInInterface
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+// WITH_REFLECT
+
+import kotlin.reflect.full.declaredMemberProperties
+
+annotation class Ann(val value: String)
+
+public class Bar(public val value: String)
+
+interface Foo {
+    companion object {
+        @JvmField @Ann("O")
+        val FOO = Bar("K")
+    }
+}
+
+fun box(): String {
+    val field = Foo.Companion::class.declaredMemberProperties.single()
+    return (field.annotations.single() as Ann).value + (field.get(Foo.Companion) as Bar).value
+}