fix #13899 defer now works with async (#14723)

2020-06-19 06:08:00 -07:00 · 2020-06-19 06:08:00 -07:00 · 2039e3e883
commit 2039e3e883
parent 65c7884a3c
2 changed files with 21 additions and 7 deletions
--- a/lib/pure/asyncmacro.nim
+++ b/lib/pure/asyncmacro.nim
@ -207,6 +207,9 @@ proc asyncSingleProc(prc: NimNode): NimNode {.compileTime.} =
                                    futureVarIdents)
  # don't do anything with forward bodies (empty)
  if procBody.kind != nnkEmpty:
+    # fix #13899, defer should not escape its original scope
+    procBody = newStmtList(newTree(nnkBlockStmt, newEmptyNode(), procBody))
+
    procBody.add(createFutureVarCompletions(futureVarIdents, nil))

    if not subtypeIsVoid: