bfin.c (bfin_function_ok_for_sibcall): Restore a null pointer check lost in the…

bfin.c (bfin_function_ok_for_sibcall): Restore a null pointer check lost in the recent no-unit-at-a-time patch.

	* config/bfin/bfin.c (bfin_function_ok_for_sibcall): Restore a null
	pointer check lost in the recent no-unit-at-a-time patch.

From-SVN: r139989

gcc/ChangeLog

+2008-09-04  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+	* config/bfin/bfin.c (bfin_function_ok_for_sibcall): Restore a null
+	pointer check lost in the recent no-unit-at-a-time patch.
+	
 2008-09-04  Jan Hubicka  <jh@suse.cz>
 
 	PR middle-end/37343

gcc/config/bfin/bfin.c

@@ -1942,6 +1942,9 @@ bfin_function_ok_for_sibcall (tree decl ATTRIBUTE_UNUSED,
      not need to reload P5 in the prologue, but the sibcall wil pop P5 in the
      sibcall epilogue, and we end up with the wrong value in P5.  */
 
+  if (!decl)
+    /* Not enough information.  */
+    return false;
  
   this_func = cgraph_local_info (current_function_decl);
   called_func = cgraph_local_info (decl);