From: Victor Stinner <victor.stinner@gmail.com>
Date: Tue, 5 Nov 2013 17:07:34 +0000 (+0100)
Subject: Issue #19437: Fix compiler_class(), handle compiler_lookup_arg() failure
X-Git-Tag: v3.4.0b1~384
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=98e818b8e37692faae15c792397765b0bc0ef7ea;p=thirdparty%2FPython%2Fcpython.git

Issue #19437: Fix compiler_class(), handle compiler_lookup_arg() failure
---

diff --git a/Python/compile.c b/Python/compile.c
index 32465f716929..8b00211c9fd0 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -1772,6 +1772,10 @@ compiler_class(struct compiler *c, stmt_ty s)
             }
             i = compiler_lookup_arg(c->u->u_cellvars, str);
             Py_DECREF(str);
+            if (i < 0) {
+                compiler_exit_scope(c);
+                return 0;
+            }
             assert(i == 0);
             /* Return the cell where to store __class__ */
             ADDOP_I(c, LOAD_CLOSURE, i);