From: Guido van Rossum <guido@python.org>
Date: Tue, 12 May 1998 20:27:36 +0000 (+0000)
Subject: DELETE_FAST should issue an exception when the local variable is undefined.
X-Git-Tag: v1.5.2a1~655
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2e4c899e2d28f2acbd62f7b1353dd96df803d911;p=python

DELETE_FAST should issue an exception when the local variable is undefined.
---

diff --git a/Python/ceval.c b/Python/ceval.c
index 05275373cd..7c358dbd93 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1337,6 +1337,13 @@ eval_code2(co, globals, locals,
 			continue;
 
 		case DELETE_FAST:
+			x = GETLOCAL(oparg);
+			if (x == NULL) {
+				PyErr_SetObject(PyExc_NameError,
+					   PyTuple_GetItem(co->co_varnames,
+							oparg));
+				break;
+			}
 			SETLOCAL(oparg, NULL);
 			continue;