code: void emitMinusOne(int tc) {
          if (tc == LONGcode) {
              items.makeImmediateItem(syms.longType, Long.valueOf(-1)).load();
          } else {
              code.emitop0(iconst_m1);
          }
      }
docs: Generate code to load -1 of the given type code (either int or long).
  @param tc   The given type code (@see ByteCode).