Generate stub for specialized equals inside inline class

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

@@ -0,0 +1,25 @@
+// WITH_REFLECT
+// FULL_JDK
+// IGNORE_BACKEND: JVM_IR, JS_IR, JS, NATIVE
+
+import java.lang.reflect.InvocationTargetException
+
+inline class Simple(val x: String) {
+    fun somethingWeird() {}
+}
+
+fun box(): String {
+    var s = ""
+    val name = "equals--impl"
+    val specializedEquals =
+        Class.forName("Simple\$Erased").getDeclaredMethod("equals--impl", String::class.java, String::class.java)
+            ?: return "$name not found"
+
+    try {
+        specializedEquals.invoke(null, "a", "b")
+    } catch (e: InvocationTargetException) {
+        return if (e.targetException is NullPointerException) "OK" else "${e.targetException}"
+    }
+
+    return "Reserved method invoked successfully"
+}