[PATCH] Fix PR91375

[Richard Biener]

Bootstrapped & tested on x86_64-unknown-linux-gnu, applied to trunk.

Richard.

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

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

Index: gcc/tree.c
===================================================================
--- gcc/tree.c  (revision 274308)
+++ gcc/tree.c  (working copy)
@@ -5531,8 +5531,7 @@ free_lang_data_in_type (tree type, class
          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;
        }
     }