+2013-03-14  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+       * source.c (print_source_lines_base): Make a local copy of
+       symtab_to_fullname.
+
 2013-03-14  Hui Zhu  <hui_zhu@mentor.com>
            Jan Kratochvil  <jan.kratochvil@redhat.com>
 
 
                                 symtab_to_filename_for_display (s));
          if (ui_out_is_mi_like_p (uiout)
              || !ui_out_test_flags (uiout, ui_source_list))
-           {
-             const char *fullname = symtab_to_fullname (s);
-
-             ui_out_field_string (uiout, "fullname", fullname);
-           }
+           {
+             const char *s_fullname = symtab_to_fullname (s);
+             char *local_fullname;
+
+             /* ui_out_field_string may free S_FULLNAME by calling
+                open_source_file for it again.  See e.g.,
+                tui_field_string->tui_show_source.  */
+             local_fullname = alloca (strlen (s_fullname) + 1);
+             strcpy (local_fullname, s_fullname);
+
+             ui_out_field_string (uiout, "fullname", local_fullname);
+           }
 
          ui_out_text (uiout, "\n");
        }