On Thu, 21 Jun 2018, Jan Hubicka wrote:
> Hi,
> this patch frees TYPE_VFIELD which is used only for debug info generation.
> Bootstrapped/regtested x86_64-linux, OK?
OK.
Richard.
> Honza
>
> * tree.c (free_lang_data_in_type): Free all TYPE_VFIELDs.
> Index: tree.c
> ===================================================================
> --- tree.c (revision 261841)
> +++ tree.c (working copy)
> @@ -5134,10 +5134,7 @@ free_lang_data_in_type (tree type)
> else
> *prev = DECL_CHAIN (member);
>
> - /* FIXME: C FE uses TYPE_VFIELD to record C_TYPE_INCOMPLETE_VARS
> - and danagle the pointer from time to time. */
> - if (TYPE_VFIELD (type) && TREE_CODE (TYPE_VFIELD (type)) != FIELD_DECL)
> - TYPE_VFIELD (type) = NULL_TREE;
> + TYPE_VFIELD (type) = NULL_TREE;
>
> if (TYPE_BINFO (type))
> {
