How many global variables can be used in a FunC contract?

[anton-trunov]

Is your feature request related to a problem? Please describe.

This is a common source of confusion. People try to use too many global variables and run into issues.

Describe the solution you'd like

Clearly document the limit of the number of global variables in FunC.

Additional context

No response

[anton-trunov]

The rumor has it the limit is 31 because the FunC compiler uses GETGLOB k/SETGLOB k instructions to manipulate global vars and those only allow k to be up to 31.

[tengkusyahid]

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