Value classes: treat @JvmInline value classes as inline classes

Report error on value classes without @JvmInline annotation.
Do not check for @JvmInline annotation in value classes since
it breaks reflection.

compiler/testData/diagnostics/tests/valueClasses/identityComparisonWithValueClasses.kt

@@ -0,0 +1,21 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo(val x: Int)
+@JvmInline
+value class Bar(val y: String)
+
+fun test(f1: Foo, f2: Foo, b1: Bar, fn1: Foo?, fn2: Foo?) {
+    val a1 = <!FORBIDDEN_IDENTITY_EQUALS!>f1 === f2<!> || <!FORBIDDEN_IDENTITY_EQUALS!>f1 !== f2<!>
+    val a2 = <!FORBIDDEN_IDENTITY_EQUALS!>f1 === f1<!>
+    val a3 = <!EQUALITY_NOT_APPLICABLE!>f1 === b1<!> || <!EQUALITY_NOT_APPLICABLE!>f1 !== b1<!>
+
+    val c1 = <!FORBIDDEN_IDENTITY_EQUALS!>fn1 === fn2<!> || <!FORBIDDEN_IDENTITY_EQUALS!>fn1 !== fn2<!>
+    val c2 = f1 === fn1 || f1 !== fn1
+    val c3 = <!EQUALITY_NOT_APPLICABLE!>b1 === fn1<!> || <!EQUALITY_NOT_APPLICABLE!>b1 !== fn1<!>
+}