From 8cde6ba6bcf236478f1d5d5aa722977ce9723a57 Mon Sep 17 00:00:00 2001
From: flywind <43030857+xflywind@users.noreply.github.com>
Date: Sat, 11 Jun 2022 02:32:27 +0800
Subject: remove noop option `gc:v2` (#19810)

* remove noop option gc:v2

* changelog
---
 lib/system/sysstr.nim | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

(limited to 'lib')

diff --git a/lib/system/sysstr.nim b/lib/system/sysstr.nim
index 49fff41e9..c4f0db718 100644
--- a/lib/system/sysstr.nim
+++ b/lib/system/sysstr.nim
@@ -304,20 +304,10 @@ proc setLengthSeq(seq: PGenericSeq, elemSize, elemAlign, newLen: int): PGenericS
     when not defined(boehmGC) and not defined(nogc) and
          not defined(gcMarkAndSweep) and not defined(gogc) and
          not defined(gcRegions):
-      when false: # deadcode: was used by `compileOption("gc", "v2")`
+      if ntfNoRefs notin extGetCellType(result).base.flags:
         for i in newLen..result.len-1:
-          let len0 = gch.tempStack.len
           forAllChildrenAux(dataPointer(result, elemAlign, elemSize, i),
-                            extGetCellType(result).base, waPush)
-          let len1 = gch.tempStack.len
-          for i in len0 ..< len1:
-            doDecRef(gch.tempStack.d[i], LocalHeap, MaybeCyclic)
-          gch.tempStack.len = len0
-      else:
-        if ntfNoRefs notin extGetCellType(result).base.flags:
-          for i in newLen..result.len-1:
-            forAllChildrenAux(dataPointer(result, elemAlign, elemSize, i),
-                              extGetCellType(result).base, waZctDecRef)
+                            extGetCellType(result).base, waZctDecRef)
 
     # XXX: zeroing out the memory can still result in crashes if a wiped-out
     # cell is aliased by another pointer (ie proc parameter or a let variable).
-- 
cgit 1.4.1-2-gfad0