Specify ordering of dynamic error for p.f(...) where p is a deferred prefix #3483
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This PR changes the specified ordering of the dynamic error that occurs if
pis a deferred prefix of a non-loaded deferred library, and an invocation of the formp.f(...)is executed: The error occurs before any actual arguments tofare evaluated.This change is motivated by the fact that the actual implemented behavior is as specified with this PR, whereas the currently specified behavior differs from the actual behavior.
This is not a breaking change because the actual behavior will not change, we are simply adjusting the specification to say what the implementations already do, and have indeed done for several years.