DebugInfo: Use address pool forms in debug_rnglists

Save no relocations by reusing addresses from the address pool.

llvm-svn: 344836
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
index fecf805..b98d926 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -490,9 +490,7 @@
 
   /// Emit address ranges into a debug ranges section.
   void emitDebugRanges();
-
-  /// Emit range lists into a DWARF v5 debug rnglists section.
-  void emitDebugRnglists();
+  void emitDebugRangesDWO();
 
   /// Emit macros into a debug macinfo section.
   void emitDebugMacinfo();