Don't resolve special class names

Adjust zend_resolve_class_name() to not resolve special class names.
This avoids the need to only call this function after a preliminary
check for n

Don't resolve special class names

Adjust zend_resolve_class_name() to not resolve special class names.
This avoids the need to only call this function after a preliminary
check for non-default fetch types. Doing so is somewhat fragile
when dynamic class names are involved.

Fixes oss-fuzz #31139.

show more ...