re PR ipa/87957 (ICE tree check: expected tree that contains ‘decl minimal’…

re PR ipa/87957 (ICE tree check: expected tree that contains ‘decl minimal’ structure, have ‘identifier_node’ in warn_odr, at ipa-devirt.c:1051 since r265519)


	PR lto/87957
	* ipa-devirt.c (free_enum_values): Do not ICE on ODR vilations.

From-SVN: r266289

gcc/ChangeLog

+2018-11-19  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR lto/87957
+	* ipa-devirt.c (free_enum_values): Do not ICE on ODR vilations.
+
 2018-11-19  Sandra Loosemore  <sandra@codesourcery.com>
 
 	PR driver/50250

gcc/ipa-devirt.c

@@ -2268,12 +2268,14 @@ free_enum_values ()
   enum_values_freed = true;
   unsigned int i;
   for (i = 0; i < odr_types.length (); i++)
-    if (odr_types[i] && TREE_CODE (odr_types[i]->type) == ENUMERAL_TYPE)
+    if (odr_types[i])
       {
-	TYPE_VALUES (odr_types[i]->type) = NULL;
+	if (TREE_CODE (odr_types[i]->type) == ENUMERAL_TYPE)
+	  TYPE_VALUES (odr_types[i]->type) = NULL;
 	if (odr_types[i]->types)
           for (unsigned int j = 0; j < odr_types[i]->types->length (); j++)
-	    TYPE_VALUES ((*odr_types[i]->types)[j]) = NULL;
+	    if (TREE_CODE ((*odr_types[i]->types)[j]) == ENUMERAL_TYPE)
+	      TYPE_VALUES ((*odr_types[i]->types)[j]) = NULL;
       }
   enum_values_freed = true;
 }