egcs-current: Major optimizer bug

[Jeffrey A Law]

  In message <m0yr9VN-000266C@ocean.lucon.org>you write:
  > H.J. Lu (hjl@gnu.org)
  > ---
  > Tue Jun 30 07:37:48 1998  H.J. Lu  (hjl@gnu.org)
  > 
  > 	* local-alloc.c (update_equiv_regs): Check if a REG_EQUIV note
  > 	is valid.
This patch is wrong -- the bug is actually in CSE.  I'll be checking
in a patch from Mark Mitchell shortly to fix this problem.

jeff