Fix coercion for stack value property in case of inline classes

#KT-25771 Fixed

compiler/testData/codegen/box/inlineClasses/unboxReceiverOnCallingMethodFromInlineClass.kt

@@ -0,0 +1,18 @@
+// !LANGUAGE: +InlineClasses
+// IGNORE_BACKEND: JVM_IR
+
+inline class Foo(val s: Any) {
+    fun isString(): Boolean = s is String
+}
+
+class Box<T>(val x: T)
+
+fun box(): String {
+    val f = Foo("string")
+    val g = Box(f)
+    val r = g.x.isString()
+
+    if (!r) return "Fail"
+
+    return "OK"
+}