From 44f65c0e2f5ce27ce90bbec218ecb39cba9d75a2 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Wed, 25 Mar 2015 23:06:48 +0000
Subject: py: Fix bug in compiler which allowed through illegal augmented
 assign.

It allowed such things as (a, b) += c.
---
 py/compile.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'py/compile.c')

diff --git a/py/compile.c b/py/compile.c
index f64a9e2f62..554d74b30c 100644
--- a/py/compile.c
+++ b/py/compile.c
@@ -858,6 +858,9 @@ STATIC void c_assign(compiler_t *comp, mp_parse_node_t pn, assign_kind_t assign_
                     // empty tuple
                     goto cannot_assign;
                 } else if (MP_PARSE_NODE_IS_STRUCT_KIND(pns->nodes[0], PN_testlist_comp)) {
+                    if (assign_kind != ASSIGN_STORE) {
+                        goto bad_aug;
+                    }
                     pns = (mp_parse_node_struct_t*)pns->nodes[0];
                     goto testlist_comp;
                 } else {
-- 
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