Accept LABEL_REFs as well as SYMBOL_REFs in mem_loc_descriptor()

From-SVN: r28891

gcc/ChangeLog

+Thu Aug 26 09:46:16 1999  Nick Clifton  <nickc@cygnus.com>
+
+	* dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
+	as SYMBOL_REFs.
+
 1999-08-25 22:10 -0700  Zack Weinberg  <zack@bitmover.com>
 
 	* system.h: Don't redefine abort or trim_filename.

gcc/dwarf2out.c

@@ -6615,6 +6615,10 @@ mem_loc_descriptor (rtl)
       add_loc_descr (&mem_loc_result, new_loc_descr (DW_OP_deref, 0, 0));
       break;
 
+     case LABEL_REF:
+       /* Some ports can transform a symbol ref into a label ref, because
+ 	 the symbol ref is too far away and has to be dumped into a constant
+ 	 pool.  */
     case CONST:
     case SYMBOL_REF:
       mem_loc_result = new_loc_descr (DW_OP_addr, 0, 0);