Primitive type as `class-string`

[vkaverin]

/**
 * @kphp-generic T
 * @param class-string<T> $t
 */
function foo($t) {
}

foo('int');

Compilation of this code fails with

Starting php to cpp transpiling...

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Compilation error at stage: Deduce implicit types and casts, gen by generics-reification.cpp:192
  a38a375e.php:9  in global scope


Class int not found


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Compilation error at stage: Deduce implicit types and casts, gen by generics-reification.cpp:319
  a38a375e.php:9  in global scope


Couldn't reify generic <T> for call.
Please, provide all generic types using syntax foo/*<T>*/(...)

[vkaverin]

Maybe it's worth to rename (or alias) the annotation into type-string to avoid confusing with by class?

[vkaverin]

And don't forget about classof.