egcs-971031, sparc-sun-solaris2.5 new bootstrap failure

[Kaveh R. Ghazi]

 > From: Jim Wilson <wilson@cygnus.com>
 > 
 > Here is a patch to fix this.  This will be in the next snapshot.
 > 
 > Thu Nov  6 18:27:36 1997  Jim Wilson  <wilson@cygnus.com>
 > 
 > 	* flags.h (flag_rerun_loop_opt): Declare.
 > 	* loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
 > 	* toplev.c (flag_rerum_loop_opt): Delete static.

	Your patch fixes the unroll bootstrap problems on all three
platforms I had trouble on.  (For the record, they were strange
unresolved symbols on sparc and alpha, as well as an internal compiler
error on powerpc, all three occuring when BOOT_CFLAGS contained -O3
-funroll-all-loops.)

	Thanks Jim.

		--Kaveh
--
Kaveh R. Ghazi				Project Manager
ghazi@caip.rutgers.edu			ICon CMT Corp.