From 0b0bc496a17f495dbe4da170e7a0b728d9ae3c52 Mon Sep 17 00:00:00 2001
From: He-Pin <hepin1989@gmail.com>
Date: Fri, 27 Feb 2026 20:49:42 +0800
Subject: [PATCH] chore: Avoid left-shift of negative values port
 https://github.com/google/jsonnet/pull/1288

---
 sjsonnet/src/sjsonnet/Evaluator.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sjsonnet/src/sjsonnet/Evaluator.scala b/sjsonnet/src/sjsonnet/Evaluator.scala
index 15126c4b..e573d35e 100644
--- a/sjsonnet/src/sjsonnet/Evaluator.scala
+++ b/sjsonnet/src/sjsonnet/Evaluator.scala
@@ -568,7 +568,7 @@ class Evaluator(
             if (rr < 0) {
               Error.fail("shift by negative exponent", pos)
             }
-            if (rr >= 1 && ll >= (1L << (63 - rr)))
+            if (rr >= 1 && math.abs(ll) >= (1L << (63 - rr)))
               Error.fail("numeric value outside safe integer range for bitwise operation", pos)
             else
               Val.Num(pos, (ll << rr).toDouble)