Merged revisions 67171 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r67171 | benjamin.peterson | 2008-11-08 12:38:54 -0600 (Sat, 08 Nov 2008) | 4 lines

  check for assignment to __debug__ during AST generation

  Also, give assignment to None a better error message
........

Python/ast.c

@@ -354,6 +354,7 @@ static const char* FORBIDDEN[] = {
     "None",
     "True",
     "False",
+    "__debug__",
     NULL,
 };
 

Python/compile.c

@@ -2498,12 +2498,6 @@ compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx)
 	PyObject *mangled;
 	/* XXX AugStore isn't used anywhere! */
 
-	/* First check for assignment to __debug__. Param? */
-	if ((ctx == Store || ctx == AugStore || ctx == Del)
-	    && !PyUnicode_CompareWithASCIIString(name, "__debug__")) {
-		return compiler_error(c, "can not assign to __debug__");
-	}
-
 	mangled = _Py_Mangle(c->u->u_private, name);
 	if (!mangled)
 		return 0;