From 826e62953faa1f6cd9bac582246186935af4b8e6 Mon Sep 17 00:00:00 2001
From: Bung <crc32@qq.com>
Date: Thu, 12 Nov 2020 16:16:40 +0800
Subject: fix #12726 Cannot take the compile-time sizeof Atomic types (#15928)

* fix #12726 Cannot take the compile-time sizeof Atomic types

* fix for arch 32
---
 tests/stdlib/concurrency/tatomics_size.nim | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 tests/stdlib/concurrency/tatomics_size.nim

(limited to 'tests/stdlib/concurrency')

diff --git a/tests/stdlib/concurrency/tatomics_size.nim b/tests/stdlib/concurrency/tatomics_size.nim
new file mode 100644
index 000000000..49387c0c1
--- /dev/null
+++ b/tests/stdlib/concurrency/tatomics_size.nim
@@ -0,0 +1,18 @@
+discard """
+  targets: "c cpp"
+"""
+import std/atomics
+
+block testSize: # issue 12726
+  type
+    Node = ptr object
+      # works
+      next: Atomic[pointer]
+      f:AtomicFlag
+    MyChannel = object
+      # type not defined completely
+      back: Atomic[ptr int]
+      f: AtomicFlag
+  static:
+    doAssert sizeof(Node) == sizeof(pointer)
+    doAssert sizeof(MyChannel) == sizeof(pointer) * 2
\ No newline at end of file
-- 
cgit 1.4.1-2-gfad0