[perl #128552] [BUG] $?MODULE is not declared when referencing from module

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The following error thrown when referencing $?MODULE from module:

"Variable '$?MODULE' is notVariable '$?MODULE' is not declared"

Example:

module Foo { sub f is export { say $?MODULE } }; import Foo; f

Documented here:

https://docs.perl6.org/language/variables#Compile-time_variables

Tested on moar-2016 and HEAD.

Thanks,
Sam