From 84f3ab45a75a881cf7959edd381bbcd0ee828ed5 Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Tue, 17 May 2022 20:47:04 -0700
Subject: ffi: bugfix: unions are not unconditionally incomplete.

---
 ffi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ffi.c b/ffi.c
index 636db408..a12ef4a3 100644
--- a/ffi.c
+++ b/ffi.c
@@ -3604,7 +3604,7 @@ static val make_ffi_type_union(val syntax, val use_existing, val self)
     uw_throwf(error_s,
               lit("~a: unions cannot contain incomplete member"),
               self, nao);
-
+  tft->incomplete = (nmemb == 0);
   tft->nelem = i;
 
   tft->size = (biggest_size + most_align - 1) & ~(most_align - 1);
-- 
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