ipa-fnsummary.c (estimate_node_size_and_time): Be more tolerant for roundoff errors.

	* ipa-fnsummary.c (estimate_node_size_and_time): Be more tolerant for
	roundoff errors.

From-SVN: r254886

gcc/ChangeLog

 2017-11-17  Jan Hubicka  <hubicka@ucw.cz>
 
+	* ipa-fnsummary.c (estimate_node_size_and_time): Be more tolerant for
+	roundoff errors.
+
+2017-11-17  Jan Hubicka  <hubicka@ucw.cz>
+
 	* ipa-cp.c (update_profiling_info): Handle conversion to local
 	profile.
 	* tree-cfg.c (execute_fixup_cfg): Do fixup same way as inliner does.

gcc/ipa-fnsummary.c

@@ -2744,7 +2744,7 @@ estimate_node_size_and_time (struct cgraph_node *node,
   gcc_checking_assert (time >= 0);
   /* nonspecialized_time should be always bigger than specialized time.
      Roundoff issues however may get into the way.  */
-  gcc_checking_assert ((nonspecialized_time - time) >= -1);
+  gcc_checking_assert ((nonspecialized_time - time * 0.99) >= -1);
 
   /* Roundoff issues may make specialized time bigger than nonspecialized
      time.  We do not really want that to happen because some heurstics