Function merge_local_value

src/lower2/stackmaps.rs:1127–1135

(a: &FrameValue, b: &FrameValue, is_live: bool)

        |method| {
            format!(
                "{instruction:?} => {}.{}{}",
                method.class_name, method.method_name, method.descriptor
            )
        },
    )
}

fn instruction_window(
    instructions: &[Instruction],
    center: usize,
    constant_pool: &ConstantPool,
) -> String {