put std/threads under the umbrella of nimPreviewSlimSystem (#20711)

* put `std/threads` under the umbrella of `nimPreviewSlimSystem` * add changelog * fixes tests * fixes tests again * fixes tests
2022-10-31 13:36:50 +08:00 · 2022-10-31 13:36:50 +08:00 · e1ddd2d524
commit e1ddd2d524
parent fb2ec8d192
13 changed files with 33 additions and 19 deletions
--- a/tests/threads/t7172.nim
+++ b/tests/threads/t7172.nim
@ -10,6 +10,7 @@ Crashes before getting here!
 """

 import std/os
+import std/threads

 proc whatever() {.thread, nimcall.} =
  echo("TEST")