From b993cc3bb187c88c584a1333d008aeaa9107eb23 Mon Sep 17 00:00:00 2001
From: Daniel Chao <dan.chao@apple.com>
Date: Sun, 7 Jun 2026 12:51:31 -0700
Subject: [PATCH] Fix `doIsEquivalentTo` for `IntMaskSlotTypeNode` (#1664)

This fixes an internal optimization; doesn't result in a
language-observable change, so no test case is introduced.
---
 pkl-core/src/main/java/org/pkl/core/ast/type/TypeNode.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkl-core/src/main/java/org/pkl/core/ast/type/TypeNode.java b/pkl-core/src/main/java/org/pkl/core/ast/type/TypeNode.java
index aefa1dc6b..ce56ae0db 100644
--- a/pkl-core/src/main/java/org/pkl/core/ast/type/TypeNode.java
+++ b/pkl-core/src/main/java/org/pkl/core/ast/type/TypeNode.java
@@ -2381,7 +2381,7 @@ public abstract class TypeNode extends PklNode {
 
     @Override
     public final boolean doIsEquivalentTo(TypeNode other) {
-      return other instanceof UIntTypeAliasTypeNode aliasTypeNode && mask == aliasTypeNode.mask;
+      return other instanceof IntMaskSlotTypeNode typeNode && mask == typeNode.mask;
     }
 
     @Override