From 0051cd12e22d03b5442df98d82d9b8a586362082 Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Mon, 16 Aug 2021 16:30:49 +0100
Subject: Make flags atomic for `Entity` and `Type`

---
 src/check_expr.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/check_expr.cpp')

diff --git a/src/check_expr.cpp b/src/check_expr.cpp
index e0eb5a954..581021ac7 100644
--- a/src/check_expr.cpp
+++ b/src/check_expr.cpp
@@ -923,7 +923,7 @@ bool is_polymorphic_type_assignable(CheckerContext *c, Type *poly, Type *source,
 					poly->kind = Type_EnumeratedArray;
 					poly->cached_size  = -1;
 					poly->cached_align = -1;
-					poly->flags        = source->flags;
+					poly->flags.exchange(source->flags);
 					poly->failure      = false;
 					poly->EnumeratedArray.elem      = source->EnumeratedArray.elem;
 					poly->EnumeratedArray.index     = source->EnumeratedArray.index;
-- 
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