From a4cf69cf3861b62693131536950d81681cbe15ef Mon Sep 17 00:00:00 2001
From: ringabout <43030857+ringabout@users.noreply.github.com>
Date: Mon, 16 Feb 2026 18:32:50 +0800
Subject: [PATCH] progress

---
 lib/system/gc.nim | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/system/gc.nim b/lib/system/gc.nim
index 73718f25a0..63b8b2cbd2 100644
--- a/lib/system/gc.nim
+++ b/lib/system/gc.nim
@@ -463,7 +463,10 @@ proc rawNewObj(typ: PNimType, size: int, gch: var GcHeap): pointer =
   var res = cast[PCell](rawAlloc(gch.region, size + sizeof(Cell), alignment))
   #gcAssert typ.kind in {tyString, tySequence} or size >= typ.base.size, "size too small"
   # Check that the user data (after the Cell header) is properly aligned
-  gcAssert((cast[int](cellToUsr(res)) and (alignment-1)) == 0, "newObj: 23")
+  if alignment > MemAlign:
+    gcAssert((cast[int](cellToUsr(res)) and (alignment-1)) == 0, "newObj: 2.1")
+  else:
+    gcAssert((cast[int](res) and (MemAlign-1)) == 0, "newObj: 2.2")
   # now it is buffered in the ZCT
   res.typ = typ
   setFrameInfo(res)
@@ -516,7 +519,10 @@ proc newObjRC1(typ: PNimType, size: int): pointer {.compilerRtl, noinline, raise
   var res = cast[PCell](rawAlloc(gch.region, size + sizeof(Cell), alignment))
   sysAssert(allocInv(gch.region), "newObjRC1 after rawAlloc")
   # Check that the user data (after the Cell header) is properly aligned
-  sysAssert((cast[int](cellToUsr(res)) and (alignment-1)) == 0, "newObj: 23")
+  if alignment > MemAlign:
+    sysAssert((cast[int](cellToUsr(res)) and (alignment-1)) == 0, "newObj: 2.1")
+  else:
+    sysAssert((cast[int](res) and (MemAlign-1)) == 0, "newObj: 2.2")
   # now it is buffered in the ZCT
   res.typ = typ
   setFrameInfo(res)