reload1.c (eliminate_regs): Do not lose if eliminate_regs is called without…

reload1.c (eliminate_regs): Do not lose if eliminate_regs is called without reload having been called earlier.

        * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
        without reload having been called earlier.

From-SVN: r23748

gcc/ChangeLog

 Sat Nov 21 22:12:09 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
+	without reload having been called earlier.
+
 	* v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
 	addressing modes.
 	(v850_reorg): Similarly.

gcc/reload1.c

@@ -2646,6 +2646,12 @@ eliminate_regs (x, mem_mode, insn)
   char *fmt;
   int copied = 0;
 
+  /* We can reach here without reload being run if we have an variable
+     definition in a file with no functions (for exmaple).  Ensure we
+     have a valid elimination table in such cases.  */
+  if (reg_eliminate == NULL)
+    init_elim_table ();
+
   switch (code)
     {
     case CONST_INT: