message: [Assembler] Add print capability to matcher
  Displays match tree.
diff: @@ -43,6 +43,7 @@ class Matcher {
  public:
  Matcher(const std::vector<std::shared_ptr<Instruction<ISA>>>& instructions)
  : m_matchRoot(buildMatchTree(instructions, 1)) {}
  + void print() const { m_matchRoot.print(); }
  std::variant<Error, const Instruction<ISA>*> matchInstruction(uint32_t instruction) const {
  auto match = matchInstructionRec(instruction, m_matchRoot, true);
  