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Malte Ubl
bb478e1e6c
Every release that left a capture box alive buffered it as a cycle candidate, but a box's trace visits its payload only for a closure or a class instance with a cycle header. Boxes holding numbers, booleans, strings, arrays or acyclic instances are leaves of the object graph and can never be on a garbage cycle; they still cost an enqueue and, when they die, a dequeue. On Excalidraw boxes were 18% of all buffered candidates (1.76M of 10.3M). scr_box_release and the emitted inline release (speed builds) now test kind == SCR_BOX_FUNC || obj_trace != NULL first, mirroring the union boxes' arm_trace test.