[Note:
In a freestanding environment, start-up and termination is implementation-defined; start-up contains the
execution of constructors for objects of namespace scope with static storage duration; termination contains
the execution of destructors for objects with static storage duration. — end note]
There are very few mentions of freestanding in the WD, and this is one of them. [basic.start.main.1] does make the requirement of a main function implementation defined in a freestanding implementation, but start-up and termination do not appear to be specified in relation to the execution of main.
My editorial suggestion is to remove this aspirationaly normative note. Motivated parties can submit papers to get normative text added that accomplishes the goals of the note.
There are very few mentions of freestanding in the WD, and this is one of them. [basic.start.main.1] does make the requirement of a main function implementation defined in a freestanding implementation, but start-up and termination do not appear to be specified in relation to the execution of main.
My editorial suggestion is to remove this aspirationaly normative note. Motivated parties can submit papers to get normative text added that accomplishes the goals of the note.