[patch] shrink some cp/parser.c structures

[Dan Nicolaescu]

Andrew Pinski <pinskia@physics.uc.edu> writes:

  > On Monday, Jun 23, 2003, at 20:17 US/Eastern, Dan Nicolaescu wrote:
  > 
  > >
  > > Some structures in cp/parserc.c can be made smaller by using enum
  > > bitfields.
  > >
  > > Before this patch, on a 32bit machine, sizeof (struct
  > > cp_token_block) = 652
  > > so ggc-page.c would allocate a cp_token_block on a 1024 byte page,
  > > resulting in a lot of overhead. This patch tries to make sure that
  > > struct cp_token_block would fit in a 512B block. Is that OK, or is
  > > 1024B better?
  > 
  > It is almost always good to reduce the structs sizes.
  > Should those enum bitfields be using the marco ENUM_BITFIELD instead?

The cp files are compiled with gcc, so it shouldn't be needed, but if
ENUM_BITFIELD is desired I will do it.