2017-04-20  Richard Biener  <rguenther@suse.de>

	* ggc-page.c (ggc_allocated_p): Rename to ...
	(safe_lookup_page_table_entry): ... this and return the lookup
	result.
	(gt_ggc_m_S): Use safe_lookup_page_table_entry.

From-SVN: r247025