Prevent buffer overrun in debug output; Make alloc_{INSN,EXPR}_LIST static

From-SVN: r19503

gcc/ChangeLog

+Thu Apr 30 16:57:34 1998  Michael Meissner  <meissner@cygnus.com>
+
+	* haifa-sched.c (print_{exp,value}): Various changes to make the
+	debug output easier to read.  Also, use only one buffer, and make
+	sure the buffer we are passed in doesn't overflow.
+	(safe_concat): Concatenate to a buffer without overflow.
+
+Thu Apr 30 16:57:34 1998  Kaveh R. Ghazi" <ghazi@caip.rutgers.edu>
+
+	* haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
+	with the prototype.
+	
 Wed Apr 29 21:45:16 1998  J"orn Rennecke <amylaar@cygnus.co.uk>
 
 	* sched.c (new_insn_dead_notes): Check if the register was