Undecompilable again. The loading functions have these *_noalpha()
variants that simply set a global variable and fall through to the
regular functions, while cdg_free() has its first `PUSH DI` instruction
after the first expression we'd be decompiling. cdg_free_all() *could*
be decompiled… but would also require _FLAGS trickery, and it's simply
not worth starting a translation unit for one such small function.
Part of P0127, funded by [Anonymous].