A linux/alpha bug in egcs

[Jeffrey A Law]

  In message < m0xSYDD-0004ecC@ocean.lucon.org >you write:
  > While compiling linux 2.0.31 on linux/alpa, I encountered an egcs
  > bug:
  > 
  > # gcc -O -S foo.c 
  > foo.c: In function `flush_to_ldisc':
  > foo.c:21: virtual memory exhausted
It's a bug in my last round of alias changes.  Probably the same
one Christian Iseli is running into.

I _think_ the fix is to copy the reg_base_value into new_reg_base_value
at the top of the loop.  But I'm going to sit here and think about
it a little more.
jeff