From b55dc586bde6eadaf068fe9745147774f3c2cd38 Mon Sep 17 00:00:00 2001
From: krishvishal <krishnavishal2008@gmail.com>
Date: Tue, 25 Mar 2025 10:10:15 +0530
Subject: [PATCH] change `compute_shl` implementation to handle negation with
 overflow

---
 core/vdbe/insn.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/core/vdbe/insn.rs b/core/vdbe/insn.rs
index 1e2af1820..34c5c0005 100644
--- a/core/vdbe/insn.rs
+++ b/core/vdbe/insn.rs
@@ -975,7 +975,15 @@ pub fn exec_shift_left(mut lhs: &OwnedValue, mut rhs: &OwnedValue) -> OwnedValue
 }
 
 fn compute_shl(lhs: i64, rhs: i64) -> i64 {
-    compute_shr(lhs, -rhs)
+    if rhs == 0 {
+        lhs
+    } else if rhs >= 64 || rhs <= -64 {
+        0
+    } else if rhs > 0 {
+        lhs << rhs
+    } else {
+        lhs >> -rhs
+    }
 }
 
 pub fn exec_shift_right(mut lhs: &OwnedValue, mut rhs: &OwnedValue) -> OwnedValue {