private void mapMonitorExitInstr(BytecodeMappingTracer tracer) {
    BasicBlock block = body.getBasichead().getBlock();
    if (!block.getSeq().isEmpty() && block.getLastInstruction().opcode == CodeConstants.opc_monitorexit) {
      Integer offset = block.getOriginalOffset(block.size() - 1);
      if (offset > -1) tracer.addMapping(offset);
    }
  }
private void mapMonitorExitInstr(BytecodeMappingTracer tracer)