From fa1a04188ffdc66f1edc909e5b465e548532617a Mon Sep 17 00:00:00 2001
From: Jonah Snider <jonah@jonah.pw>
Date: Sun, 27 Dec 2020 00:33:51 -0800
Subject: [PATCH] Avoid creating a holey array in makeNimstrLit for JS target
 (#16461)

* Avoid creating a holey array in makeNimstrLit
* Use array index instead of push
---
 lib/system/jssys.nim | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/system/jssys.nim b/lib/system/jssys.nim
index 8865558fe5..e2ceedc2c7 100644
--- a/lib/system/jssys.nim
+++ b/lib/system/jssys.nim
@@ -189,9 +189,8 @@ proc setConstr() {.varargs, asmNoStackFrame, compilerproc.} =
 
 proc makeNimstrLit(c: cstring): string {.asmNoStackFrame, compilerproc.} =
   {.emit: """
-  var ln = `c`.length;
-  var result = new Array(ln);
-  for (var i = 0; i < ln; ++i) {
+  var result = [];
+  for (var i = 0; i < `c`.length; ++i) {
     result[i] = `c`.charCodeAt(i);
   }
   return result;