From c09a199ead2c5301d721369fe87a3d11c99ed8f1 Mon Sep 17 00:00:00 2001
From: Diogo Netto <61364108+d-netto@users.noreply.github.com>
Date: Wed, 5 Jul 2023 17:33:43 -0300
Subject: [PATCH] update halfpages pointer after actually sweeping pages
 (#50387)

---
 src/gc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/gc.c b/src/gc.c
index 9fd93b7340d56..edc0fdb49c4a5 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -1542,7 +1542,6 @@ static void gc_sweep_pool(int sweep_full)
                 pg->nfree = (GC_PAGE_SZ - (last_p - gc_page_data(last_p - 1))) / p->osize;
                 pg->has_young = 1;
             }
-            p->newpages = NULL;
         }
         jl_gc_pagemeta_t *pg = ptls2->page_metadata_lazily_freed;
         while (pg != NULL) {
@@ -1564,6 +1563,10 @@ static void gc_sweep_pool(int sweep_full)
                 pg = pg2;
             }
             ptls2->page_metadata_allocd = allocd;
+            for (int i = 0; i < JL_GC_N_POOLS; i++) {
+                jl_gc_pool_t *p = &ptls2->heap.norm_pools[i];
+                p->newpages = NULL;
+            }
         }
     }