toplev.c (emit_debug_global_declarations): Do not output debug info when doing slim LTO objects.

	* toplev.c (emit_debug_global_declarations): Do not output debug info
	when doing slim LTO objects.

From-SVN: r223260

gcc/ChangeLog

 2015-05-16  Jan HUbicka  <hubicka@ucw.cz>
 
+	* toplev.c (emit_debug_global_declarations): Do not output debug info
+	when doing slim LTO objects.
+
+2015-05-16  Jan HUbicka  <hubicka@ucw.cz>
+
 	* ipa-utils.h (warn_types_mismatch, odr_or_derived_type_p,
 	odr_types_equivalent_p): Declare.
 	(odr_type_p): Use gcc_checking_assert.

gcc/toplev.c

@@ -570,6 +570,9 @@ emit_debug_global_declarations (tree *vec, int len)
   /* Avoid confusing the debug information machinery when there are errors.  */
   if (seen_error ())
     return;
+  /* No need for debug info in object files when producing slimLTO.  */
+  if (!in_lto_p && flag_lto && !flag_fat_lto_objects)
+    return;
 
   timevar_push (TV_SYMOUT);
   for (i = 0; i < len; i++)