orccodemem: fix list corruption when splitting memory chunks in two

When splitting orc memory chunks in two, the 'prev' pointer of the
new memory chunk to be inserted was wrong, causing invalid memory
access and double frees later down the line.

https://bugzilla.gnome.org/show_bug.cgi?id=731227

1 files changed, 1 insertions, 1 deletions

diff --git a/orc/orccodemem.c b/orc/orccodemem.c
index 2c93f77..7bb78d2 100644
--- a/orc/orccodemem.c
+++ b/orc/orccodemem.c
@@ -88,7 +88,7 @@ orc_code_chunk_split (OrcCodeChunk *chunk, int size)
   newchunk->offset = chunk->offset + size;
   newchunk->size = chunk->size - size;
   newchunk->next = chunk->next;
-  newchunk->prev = chunk->prev;
+  newchunk->prev = chunk;
 
   chunk->size = size;
   if (chunk->next) {