From 1d7e93251c70fd87923e021fe8ab8a36d0845572 Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <patrick.pelissier@gmail.com>
Date: Thu, 11 Nov 2021 19:39:12 +0100
Subject: [PATCH] Fix overflow of one element in deque _remove

---
 m-deque.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/m-deque.h b/m-deque.h
index 701dd64b..f4c2ee9b 100644
--- a/m-deque.h
+++ b/m-deque.h
@@ -720,7 +720,7 @@
         M_CALL_FREE(oplist, n);                                               \
       } else {                                                                \
         memmove(&n->data[it->index], &n->data[it->index+1],                   \
-                sizeof(type) * (it->node->size - it->index));                 \
+                sizeof(type) * (it->node->size - it->index - 1));             \
         /* We lose capacity of the node... */                                 \
         n->size --;                                                           \
         /* The iterator points to the next element                            \