new g77 x86 ICE in 19990328

[Jeffrey A Law]

  In message <19990328181544.10702.qmail@deer>you write:
  > This is a new ICE -- no ICE in previous snapshots.  Could someone
  > currently working on the x86 backend look into it, and let me know
  > if it turns out to be a g77 front-end bug, e.g. a latent one uncovered
  > by recent improvements to the x86?
This looks like a bug in reload.  For reasons I don't understand it is
selecting %argp as a reload register.  This loses in big way since %argp
isn't even a real register on the x86.

jeff