2018-04-17 Nick Clifton <nickc@redhat.com>
+ PR 23055
+ * aoutx.h (find_nearest_line): Check that the symbol name exists
+ and is long enough, before attempting to see if it is for a .o
+ file.
+ * hash.c (bfd_hash_hash): Add an assertion that the string is not
+ NULL.
+ * linker.c (bfd_link_hash_lookup): Fail if the table or string are
+ NULL.
+ (_bfd_generic_link_add_archive_symbols): Fail if an archive entry
+ has no name.
+
PR 23065
* dwarf2.c (concat_filename): Check for a NULL table pointer.