From 89dacbf92e48d70773a3d1323aa0e9c116e0dd13 Mon Sep 17 00:00:00 2001
From: ringabout <43030857+ringabout@users.noreply.github.com>
Date: Sat, 25 Feb 2023 00:53:04 +0800
Subject: [PATCH] closes #17864; add a test case (#21434)

---
 tests/vm/tmisc_vm.nim | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/vm/tmisc_vm.nim b/tests/vm/tmisc_vm.nim
index af09e8871354a..1ad830b5fff50 100644
--- a/tests/vm/tmisc_vm.nim
+++ b/tests/vm/tmisc_vm.nim
@@ -445,3 +445,15 @@ static:
         needSecondIdentifier.mgetOrPut(firstPart, @[]).add((name, pattern))
 
     doAssert needSecondIdentifier[0] == @[("aaaa", "bbbb"), ("aaaaa", "bbbbb"), ("aaaaaa", "bbbbbb"), ("aaaaaaa", "bbbbbbb"), ("aaaaaaaa", "bbbbb")]
+
+# bug #17864
+macro transform*(fn: typed) =
+  quote do:
+    `fn`
+
+var map: Table[string, HashSet[string]]
+proc publish*(): void {.transform.} =
+  map["k"] = init_hash_set[string]()
+  map["k"].incl "d"
+
+publish()