Function free_gc_box

aiscript-arena/src/context.rs:592–600

SAFETY: the gc_box must never be accessed after calling this function.

(mut gc_box: GcBox)

// SAFETY: the gc_box must never be accessed after calling this function.
unsafe fn free_gc_box(mut gc_box: GcBox) {
    unsafe {
        if gc_box.header().is_live() {
            // If the alive flag is set, that means we haven't dropped the inner value of this object,
            gc_box.drop_in_place();
        }
        gc_box.dealloc();
    }
}

/// Helper type for managing phase transitions.
struct PhaseGuard<'a> {