public void aput(Local<?> array, Local<Integer> index, Local<?> source) {
    addInstruction(
        new ThrowingInsn(
            Rops.opAput(source.type.ropType),
            sourcePosition,
            RegisterSpecList.make(source.spec(), array.spec(), index.spec()),
            catches));
  }
Assigns {@code source} to the element at {@code index} in {@code array}.
android/android_framework/dex-maker/src/main/java/com/android/dx/Code.java