public boolean contentEquals(InsnList b) {
    if (b == null) return false;

    int sz = size();

    if (sz != b.size()) return false;

    for (int i = 0; i < sz; i++) {
      if (!get(i).contentEquals(b.get(i))) {
        return false;
      }
    }

    return true;
  }
Compares the contents of this {@code InsnList} with another. The blocks must have the same
number of insns, and each Insn must also return true to {@code Insn.contentEquals()}.

@param b to compare
@return true in the case described above.
android/android_framework/dex-maker/src/main/java/com/android/dx/rop/code/InsnList.java