From 8068419854baf06333ccff38517e8d061e6d953d Mon Sep 17 00:00:00 2001
From: Ayke van Laethem <aykevanlaethem@gmail.com>
Date: Mon, 18 Nov 2024 09:30:39 +0100
Subject: [PATCH] runtime: heapptr only needs to be initialized once

There is no need to initialize it twice.
---
 src/runtime/gc_leaking.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/runtime/gc_leaking.go b/src/runtime/gc_leaking.go
index 71c4258b6..a40602a98 100644
--- a/src/runtime/gc_leaking.go
+++ b/src/runtime/gc_leaking.go
@@ -11,7 +11,7 @@ import (
 )
 
 // Ever-incrementing pointer: no memory is freed.
-var heapptr = heapStart
+var heapptr uintptr
 
 // Total amount allocated for runtime.MemStats
 var gcTotalAlloc uint64
@@ -93,7 +93,8 @@ func SetFinalizer(obj interface{}, finalizer interface{}) {
 }
 
 func initHeap() {
-	// preinit() may have moved heapStart; reset heapptr
+	// Initialize this bump-pointer allocator to the start of the heap.
+	// Needed here because heapStart may not be a compile-time constant.
 	heapptr = heapStart
 }