+2019-01-15 Tom Tromey <tom@tromey.com>
+
+ * progspace.h (program_space) <objfiles_safe_range>: New
+ typedef.
+ <objfiles_safe>: New method.
+ * objfiles.h (class all_objfiles_safe): Remove.
+ * objfiles.c (free_all_objfiles, objfile_purge_solibs): Update.
+ * jit.c (jit_inferior_exit_hook): Update.
+