Re: -var-update @

[Nick Roberts <nickrob@snap.net.nz>]

 > So, we still don't know why the current code does not work? I think
 > we still get to figure out, to make sure that whatever bug there is
 > does not affect other cases.

My patch didn't do the right thing (it always marked a floating variable
object as changed) but it's along the right lines.  How about this one?

-- 
Nick                                           http://www.inet.net.nz/~nickrob


2008-03-30  Nick Roberts  <nickrob@snap.net.nz>

	* varobj.c (value_of_root): Update expression of root for
	floating variable objects.



*** varobj.c.~1.108.~	2008-03-27 08:02:16.000000000 +1200
--- varobj.c	2008-03-30 15:41:44.000000000 +1200
*************** varobj_update (struct varobj **varp, str
*** 1739,1744 ****
--- 1739,1751 ----
        new_type = varobj_get_type (tmp_var);
        if (strcmp (old_type, new_type) == 0)
  	{
+ 	  struct expression *tmp_exp;
+ 
+ 	  /* Update expression to new frame.  */
+ 	  tmp_exp = var->root->exp;
+ 	  var->root->exp = tmp_var->root->exp;
+ 	  tmp_var->root->exp = tmp_exp;
+ 
  	  varobj_delete (tmp_var, NULL, 0);
  	  *type_changed = 0;
  	}