Fixes #14014 (#14029)

* add test

* improve test

* progress

* fix #14014

* fix bug

Co-authored-by: cooldome <ariabushenko@bk.ru>

compiler/spawn.nim

@@ -201,8 +201,11 @@ proc setupArgsForConcurrency(g: ModuleGraph; n: PNode; objType: PType;
     # we pick n's type here, which hopefully is 'tyArray' and not
     # 'tyOpenArray':
     var argType = n[i].typ.skipTypes(abstractInst)
-    if i < formals.len and formals[i].typ.kind in {tyVar, tyLent}:
-      localError(g.config, n[i].info, "'spawn'ed function cannot have a 'var' parameter")
+    if i < formals.len: 
+      if formals[i].typ.kind in {tyVar, tyLent}:
+        localError(g.config, n[i].info, "'spawn'ed function cannot have a 'var' parameter")
+      if formals[i].typ.kind in {tyTypeDesc, tyStatic}:
+        continue
     #elif containsTyRef(argType):
     #  localError(n[i].info, "'spawn'ed function cannot refer to 'ref'/closure")
 
@@ -226,6 +229,8 @@ proc setupArgsForParallelism(g: ModuleGraph; n: PNode; objType: PType;
   # for correctness: These are called 'threadLocal' here.
   for i in 1..<n.len:
     let n = n[i]
+    if i < formals.len and formals[i].typ.kind in {tyStatic, tyTypeDesc}:
+      continue
     let argType = skipTypes(if i < formals.len: formals[i].typ else: n.typ,
                             abstractInst)
     #if containsTyRef(argType):

tests/parallel/tsysspawn.nim

@@ -1,6 +1,10 @@
 discard """
   output: '''4
-8'''
+8
+(a: 1)
+2
+2
+'''
   cmd: "nim $target --threads:on $options $file"
 """
 
@@ -29,3 +33,32 @@ sync()
 
 echo x
 echo y
+
+
+#--------------------------------------------------------
+# issue #14014
+
+import threadpool
+
+type A = object
+    a: int
+
+proc f(t: typedesc): t =
+  t(a:1)
+
+let r = spawn f(A)
+echo ^r
+
+proc f2(x: static[int]): int =
+  x
+
+let r2 = spawn f2(2)
+echo ^r2
+
+type statint = static[int]
+
+proc f3(x: statint): int =
+  x
+
+let r3 = spawn f3(2)
+echo ^r3