Use edge->indirect_unknown_callee in cgraph_edge::make_direct (PR ipa/89330).

2019-07-30  Martin Liska  <mliska@suse.cz>

	PR ipa/89330
	* cgraph.c (cgraph_edge::make_direct): Use
	edge->indirect_unknown_callee as edge->resolve_speculation can
	deallocate edge which is this pointer.

From-SVN: r273910

gcc/ChangeLog

+2019-07-30  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/89330
+	* cgraph.c (cgraph_edge::make_direct): Use
+	edge->indirect_unknown_callee as edge->resolve_speculation can
+	deallocate edge which is this pointer.
+
 2019-07-30  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/91257

gcc/cgraph.c

@@ -1215,7 +1215,7 @@ cgraph_edge::make_direct (cgraph_node *callee)
       edge = edge->resolve_speculation (callee->decl);
 
       /* On successful speculation just return the pre existing direct edge.  */
-      if (!indirect_unknown_callee)
+      if (!edge->indirect_unknown_callee)
         return edge;
     }