re PR lto/45375 ([meta-bug] Issues with building Mozilla (i.e. Firefox) with LTO)

	PR lto/45375
	* lto-opt.c (lto_reissue_options): Set flag_shlib.

From-SVN: r168580

gcc/ChangeLog

+2011-01-07  Jan Hubicka  <jh@suse.cz>
+
+	PR lto/45375
+	* lto-opt.c (lto_reissue_options): Set flag_shlib.
+
 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
 
 	* target.def (function_switched_text_sections): New Hook.

gcc/lto-opts.c

@@ -420,5 +420,9 @@ lto_reissue_options (void)
 	gcc_unreachable ();
     }
 
+  /* Flag_shlib is usually set by finish_options, but we are issuing flag_pic
+     too late.  */
+  if (flag_pic && !flag_pie)
+    flag_shlib = 1;
   VEC_free (opt_t, heap, opts);
 }