From cf1ab2a30b254a913dce14417e5a8f51439b987f Mon Sep 17 00:00:00 2001
From: heterodoxic <122719743+heterodoxic@users.noreply.github.com>
Date: Mon, 15 May 2023 21:16:49 +0200
Subject: [PATCH] fix #21848 (#21852)

---
 compiler/ccgexprs.nim | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/compiler/ccgexprs.nim b/compiler/ccgexprs.nim
index 38ecb11aab..4ad63de8f2 100644
--- a/compiler/ccgexprs.nim
+++ b/compiler/ccgexprs.nim
@@ -3377,18 +3377,19 @@ proc genConstSeq(p: BProc, n: PNode, t: PType; isConst: bool; result: var Rope)
 
 proc genConstSeqV2(p: BProc, n: PNode, t: PType; isConst: bool; result: var Rope) =
   let base = t.skipTypes(abstractInst)[0]
-  var data = rope"{"
-  for i in 0..<n.len:
-    if i > 0: data.addf(",$n", [])
-    genBracedInit(p, n[i], isConst, base, data)
-  data.add("}")
+  var data = rope""
+  if n.len > 0:
+    data.add(", {")
+    for i in 0..<n.len:
+      if i > 0: data.addf(",$n", [])
+      genBracedInit(p, n[i], isConst, base, data)
+    data.add("}")
 
   let payload = getTempName(p.module)
-
   appcg(p.module, cfsStrData,
     "static $5 struct {$n" &
     "  NI cap; $1 data[$2];$n" &
-    "} $3 = {$2 | NIM_STRLIT_FLAG, $4};$n", [
+    "} $3 = {$2 | NIM_STRLIT_FLAG$4};$n", [
     getTypeDesc(p.module, base), n.len, payload, data,
     if isConst: "const" else: ""])
   result.add "{$1, ($2*)&$3}" % [rope(n.len), getSeqPayloadType(p.module, t), payload]