2012-04-02 Tristan Gingold <gingold@adacore.com>

        * ggc-page.c (PAGE_L1_SIZE, PAGE_L2_SIZE, LOOKUP_L1, LOOKUP_L2)
        (ggc_allocated_p, lookup_page_table_entry, set_page_table_entry)
        (alloc_page, init_ggc, clear_marks, struct ggc_pch_data)
        (ggc_pch_this_base): Use uintptr_t instead of size_t.

From-SVN: r186065