+2018-07-20 Tom Tromey <tom@tromey.com>
+
+ * xcoffread.c (process_linenos): Update.
+ * stabsread.c (define_symbol, read_type, read_enum_type): Update.
+ * mdebugread.c (psymtab_to_symtab_1): Update.
+ * dwarf2read.c (setup_type_unit_groups)
+ (lnp_state_machine::handle_set_file, dwarf_record_line_p)
+ (lnp_state_machine::record_line, dwarf_decode_lines): Update.
+ * dbxread.c (process_one_symbol): Update.
+ * coffread.c (coff_symtab_read, enter_linenos)
+ (process_coff_symbol): Update.
+ * buildsym.h (current_subfile): Don't declare.
+ (get_current_subfile): Declare.
+ * buildsym.c (struct buildsym_compunit) <m_current_subfile>: New
+ member.
+ (start_subfile, free_buildsym_compunit, push_subfile)
+ (prepare_for_building, start_symtab): Update.
+ (get_current_subfile): New function.
+