commit bash-20100211 snapshot

CWRU/CWRU.chlog

@@ -9478,3 +9478,13 @@ shell.c
 	  foo in an executable shell script without a leading `#!' (fixes
 	  longstanding bug)
 
+				    2/8
+				    ---
+variables.c
+	- in push_func_var, if a variable is in a special builtin's temporary
+	  environment and needs to be propagated because we're in Posix mode,
+	  or we just need to propagate a variable, and we are executing in a
+	  function without any local variables (so the function-local variable
+	  context has no variable hash table), make sure we create a hash
+	  table so we have a place to save the variable to be propagated.
+	  Fixes bug reported by Crestez Dan Leonard <cdleonard@gmail.com>.

variables.c

@@ -3807,6 +3807,11 @@ push_func_var (data)
 
   if (tempvar_p (var) && (posixly_correct || (var->attributes & att_propagate)))
     {
+      /* Make sure we have a hash table to store the variable in while it is
+	 being propagated down to the global variables table.  Create one if
+	 we have to */
+      if ((vc_isfuncenv (shell_variables) || vc_istempenv (shell_variables)) && shell_variables->table == 0)
+	shell_variables->table = hash_create (0);
       /* XXX - should we set v->context here? */
       v = bind_variable_internal (var->name, value_cell (var), shell_variables->table, 0, 0);
       if (shell_variables == global_variables)