re PR lto/77305 (-fdump-tree-all and -flto causes ICE)

2016-08-23  Richard Biener  <rguenther@suse.de>

	PR middle-end/77305
	* statistics.c (statistics_counter_event): Robustify against
	NULL current_pass.

From-SVN: r239683

gcc/ChangeLog

+2016-08-23  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/77305
+	* statistics.c (statistics_counter_event): Robustify against
+	NULL current_pass.
+
 2016-08-23  Venkataramanan Kumar
 
 	* config/i386/i386.c (processor_alias_table): Enable PTA_PRFCHW

gcc/statistics.c

@@ -312,7 +312,8 @@ statistics_counter_event (struct function *fn, const char *id, int incr)
       || incr == 0)
     return;
 
-  if (current_pass->static_pass_number != -1)
+  if (current_pass
+      && current_pass->static_pass_number != -1)
     {
       counter = lookup_or_add_counter (curr_statistics_hash (), id, 0, false);
       gcc_assert (!counter->histogram_p);
@@ -325,8 +326,8 @@ statistics_counter_event (struct function *fn, const char *id, int incr)
 
   fprintf (statistics_dump_file,
 	   "%d %s \"%s\" \"%s\" %d\n",
-	   current_pass->static_pass_number,
-	   current_pass->name,
+	   current_pass ? current_pass->static_pass_number : -1,
+	   current_pass ? current_pass->name : "none",
 	   id,
 	   function_name (fn),
 	   incr);