Function explain_incompatible_stack

crates/vm/src/builtins/frame.rs:136–150

(to_stack: i64)

    }

    pub fn explain_incompatible_stack(to_stack: i64) -> &'static str {
        debug_assert!(to_stack != 0);
        if to_stack == OVERFLOWED {
            return "stack is too deep to analyze";
        }
        if to_stack == UNINITIALIZED {
            return "can't jump into an exception handler, or code may be unreachable";
        }
        match Kind::from_i64(top_of_stack(to_stack)) {
            Some(Kind::Except) => "can't jump into an 'except' block as there's no exception",
            Some(Kind::Lasti) => "can't jump into a re-raising block as there's no location",
            Some(Kind::Iterator) => "can't jump into the body of a for loop",
            _ => "incompatible stacks",
        }
    }

    /// Analyze bytecode and compute the stack state at each instruction index.
    pub fn mark_stacks<C: Constant>(code: &bytecode::CodeObject<C>) -> Vec<i64> {