rs6000.c (rs6000_xcoff_debug_unwind_info): Always return UI_NONE.

* config/rs6000/rs6000.c (rs6000_xcoff_debug_unwind_info): Always
return UI_NONE.

From-SVN: r228600

gcc/ChangeLog

+2015-10-08  David Edelsohn  <dje.gcc@gmail.com>
+
+	* config/rs6000/rs6000.c (rs6000_xcoff_debug_unwind_info): Always
+	return UI_NONE.
+
 2015-10-08  Yuri Rumyantsev  <ysrumyan@gmail.com>
 
 	* tree-ssa-loop-unswitch.c: Include "gimple-iterator.h" and

gcc/config/rs6000/rs6000.c

@@ -30709,10 +30709,7 @@ rs6000_elf_file_end (void)
 static enum unwind_info_type
 rs6000_xcoff_debug_unwind_info (void)
 {
-  if (HAVE_XCOFF_DWARF_EXTRAS)
-    return UI_DWARF2;
-  else
-    return UI_NONE;
+  return UI_NONE;
 }
 
 static void