Snippets for apl 1.9 from Nix aarch64-linux

Sourced from https://hydra.nixos.org/log/6dll4n48qp05vvn2wpnrgq6srwwnxmwq-gnu-apl-1.9.drv.

• /nix/store/wqqb6mbnrnm380adc0ry5hdm449xix4f-gcc-15.3.0/include/c++/15.3.0/bits/char_traits.h:393:32: warning: argument 1 null where non-null expected [-Wnonnull]
    393 |         return __builtin_strlen(__s);
        |                ~~~~~~~~~~~~~~~~^~~~~
  

• Token.hh:186:31: warning: using a dangling pointer to an unnamed temporary [-Wdangling-pointer=]
    186 |       { return TokenValueType(tag & TV_MASK); }
        |                               ^~~
  

• Token.hh:240:59: warning: dangling pointer to an unnamed temporary may be used [-Wdangling-pointer=]
    240 |       { Assert(get_ValueType() == TV_SYM);   return value.sym_ptr; }
        |                                                           ^~~~~~~
  

• LvalCell.hh:59:27: warning: array subscript 'const LvalCell[0]' is partly outside array bounds of 'const Cell [0]' [-Warray-bounds=]
     59 |       { return value.pval.owner; }
        |                           ^~~~~