From ac36f232bc7d4354129b7fb48a9458e43c3a972d Mon Sep 17 00:00:00 2001
From: Damian Gryski <damian@gryski.com>
Date: Tue, 7 Mar 2023 10:29:02 -0800
Subject: [PATCH] reflect: MapIter.Next() needs to allocate new keys/values
 every time

---
 src/reflect/value.go | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/reflect/value.go b/src/reflect/value.go
index 8e2b0320..346ca27f 100644
--- a/src/reflect/value.go
+++ b/src/reflect/value.go
@@ -850,10 +850,8 @@ func (v Value) MapRange() *MapIter {
 	}
 
 	return &MapIter{
-		m:   v,
-		it:  hashmapNewIterator(),
-		key: New(v.typecode.Key()),
-		val: New(v.typecode.Elem()),
+		m:  v,
+		it: hashmapNewIterator(),
 	}
 }
 
@@ -883,6 +881,9 @@ func (it *MapIter) Value() Value {
 }
 
 func (it *MapIter) Next() bool {
+	it.key = New(it.m.typecode.Key())
+	it.val = New(it.m.typecode.Elem())
+
 	it.valid = hashmapNext(it.m.pointer(), it.it, it.key.value, it.val.value)
 	return it.valid
 }