gdb/

	Fix crash regression on systems featuring .gdb_index.
	* objfiles.c (free_objfile): Move the
	forget_cached_source_info_for_objfile call earlier.  Comment it.
	Extend the comment for objfile_free_data.

1 files changed, 6 insertions, 3 deletions

diff --git a/gdb/objfiles.c b/gdb/objfiles.c
index 1664e42..db01f42 100644
--- a/gdb/objfiles.c
+++ b/gdb/objfiles.c
@@ -583,6 +583,10 @@ free_objfile (struct objfile *objfile)
      lists.  */
   preserve_values (objfile);
 
+  /* It still may reference data modules have associated with the objfile and
+     the symbol file data.  */
+  forget_cached_source_info_for_objfile (objfile);
+
   /* First do any symbol file specific actions required when we are
      finished with a particular symbol file.  Note that if the objfile
      is using reusable symbol information (via mmalloc) then each of
@@ -595,7 +599,8 @@ free_objfile (struct objfile *objfile)
       (*objfile->sf->sym_finish) (objfile);
     }
 
-  /* Discard any data modules have associated with the objfile.  */
+  /* Discard any data modules have associated with the objfile.  The function
+     still may reference objfile->obfd.  */
   objfile_free_data (objfile);
 
   gdb_bfd_unref (objfile->obfd);
@@ -637,8 +642,6 @@ free_objfile (struct objfile *objfile)
       clear_current_source_symtab_and_line ();
   }
 
-  forget_cached_source_info_for_objfile (objfile);
-
   /* The last thing we do is free the objfile struct itself.  */
 
   xfree (objfile->name);