re PR lto/91375 (ICE on valid code in subbinfo_with_vtable_at_offset at…

re PR lto/91375 (ICE on valid code in subbinfo_with_vtable_at_offset at ipa-devirt.c:2760 since r256685)

2019-08-12  Richard Biener  <rguenther@suse.de>

	PR lto/91375
	* tree.c (free_lang_data_in_type): Do not free TYPE_BINFO dependent on
	flag_devirtualize.

From-SVN: r274310

gcc/ChangeLog

 2019-08-12  Richard Biener  <rguenther@suse.de>
 
+	PR lto/91375
+	* tree.c (free_lang_data_in_type): Do not free TYPE_BINFO dependent on
+	flag_devirtualize.
+
+2019-08-12  Richard Biener  <rguenther@suse.de>
+
 	PR driver/91130
 	* lto-wrapper.c (get_options_from_collect_gcc_options): Remove
 	lang_mask option, always use CL_DRIVER.

gcc/tree.c

@@ -5531,8 +5531,7 @@ free_lang_data_in_type (tree type, class free_lang_data_d *fld)
 	  free_lang_data_in_binfo (TYPE_BINFO (type));
 	  /* We need to preserve link to bases and virtual table for all
 	     polymorphic types to make devirtualization machinery working.  */
-	  if (!BINFO_VTABLE (TYPE_BINFO (type))
-	      || !flag_devirtualize)
+	  if (!BINFO_VTABLE (TYPE_BINFO (type)))
 	    TYPE_BINFO (type) = NULL;
 	}
     }