From bde1676b06fe4c18892f5cbe654bdbc8e34cecba Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Sat, 8 Nov 2008 19:56:21 +0000
Subject: [PATCH] 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     | 1 +
 Python/compile.c | 6 ------
 2 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/Python/ast.c b/Python/ast.c
index 60906a1f569..1cf100e4492 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -354,6 +354,7 @@ static const char* FORBIDDEN[] = {
     "None",
     "True",
     "False",
+    "__debug__",
     NULL,
 };
 
diff --git a/Python/compile.c b/Python/compile.c
index 4600589a5e3..50eb1693deb 100644
--- a/Python/compile.c
+++ b/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;