[Bug middle-end/102395] [nvptx, vax] enum reg_class inferred as signed / unsigned

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102395

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Actually it might be easier to change line 1291:
  gcc_assert (sclass < LIM_REG_CLASSES);

to be:
  gcc_assert (sclass < LIM_REG_CLASSES && sclass >= 0);

I don't see how -1 is coming into play ...