From 52043d7d456cede16b51f2f5f77dd7a3bb1ac59d Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Wed, 3 Aug 2011 16:40:15 +0000
Subject: Update the OP_Move opcode to shift the pScopyFrom pointer of aliases
 when compiled with SQLITE_DEBUG.  Ticket [d63523637517386191].

FossilOrigin-Name: a2135ad13049c170b33315a949b1544e6a136183
---
 src/vdbe.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/vdbe.c b/src/vdbe.c
index bec422a98..6b817ab6d 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -1027,6 +1027,11 @@ case OP_Move: {
     zMalloc = pOut->zMalloc;
     pOut->zMalloc = 0;
     sqlite3VdbeMemMove(pOut, pIn1);
+#ifdef SQLITE_DEBUG
+    if( pOut->pScopyFrom>=&aMem[p1] && pOut->pScopyFrom<&aMem[p1+pOp->p3] ){
+      pOut->pScopyFrom += p1 - pOp->p2;
+    }
+#endif
     pIn1->zMalloc = zMalloc;
     REGISTER_TRACE(p2++, pOut);
     pIn1++;
-- 
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