public void visit_invokeinterface(final Instruction inst) {
		final MemberRef method = (MemberRef) inst.operand();
		final Type type = method.nameAndType().type();

		stackHeight -= type.stackHeight() + 1;

		if (stackHeight < minStackHeight) {
			minStackHeight = stackHeight;
		}

		stackHeight += type.returnType().stackHeight();
	}