module Bootsnap::LoadPathCache::CoreExt::ActiveSupport::ClassMethods

def load_missing_constant(from_mod, const_name)

200+ lines of monkeypatches.
behaviour. The gymnastics here are a bit awkward, but it prevents
These methods call search_for_file, and we want to modify its

search_for_file, try again with the default implementation.
If we can't find a constant using the patched implementation of 
def load_missing_constant(from_mod, const_name)
  CoreExt::ActiveSupport.allow_bootsnap_retry(false) do
    super
  end
rescue NameError => e
  raise(e) if e.instance_variable_defined?(Bootsnap::LoadPathCache::ERROR_TAG_IVAR)
  e.instance_variable_set(Bootsnap::LoadPathCache::ERROR_TAG_IVAR, true)
  # This function can end up called recursively, we only want to
  # retry at the top-level.
  raise(e) if Thread.current[:without_bootsnap_retry]
  # If we already had cache disabled, there's no use retrying
  raise(e) if Thread.current[:without_bootsnap_cache]
  # NoMethodError is a NameError, but we only want to handle actual
  # NameError instances.
  raise(e) unless e.class == NameError
  # We can only confidently handle cases when *this* constant fails
  # to load, not other constants referred to by it.
  raise(e) unless e.name == const_name
  # If the constant was actually loaded, something else went wrong?
  raise(e) if from_mod.const_defined?(const_name)
  CoreExt::ActiveSupport.without_bootsnap_cache { super }
end