From f6e3f5e00bf6b0b129b5735425748bd85a08d68b Mon Sep 17 00:00:00 2001
From: Daniel Chao <dan.chao@apple.com>
Date: Wed, 10 Jun 2026 06:52:25 -0700
Subject: [PATCH] Fix VmIntSeq.length (#1666)

This fixes an internal optimization.

No language-observable change results from this fix, so no tests are
introduced.
---
 pkl-core/src/main/java/org/pkl/core/runtime/VmIntSeq.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkl-core/src/main/java/org/pkl/core/runtime/VmIntSeq.java b/pkl-core/src/main/java/org/pkl/core/runtime/VmIntSeq.java
index 170ee391e..b2b77b149 100644
--- a/pkl-core/src/main/java/org/pkl/core/runtime/VmIntSeq.java
+++ b/pkl-core/src/main/java/org/pkl/core/runtime/VmIntSeq.java
@@ -50,6 +50,7 @@ public final class VmIntSeq extends VmValue implements Iterable<Long> {
   }
 
   public long getLength() {
+    if (isEmpty()) return 0;
     return (Math.abs((end - start) / step)) + 1;
   }