1 files changed, 17 insertions, 0 deletions
diff --git a/tests/refc/tsinkbug.nim b/tests/refc/tsinkbug.nim
new file mode 100644
index 000000000..2cd762f40
--- /dev/null
+++ b/tests/refc/tsinkbug.nim
@@ -0,0 +1,17 @@
+discard """
+  matrix: "--gc:refc; --gc:arc"
+  output: '''
+Value is: 42
+Value is: 42'''
+"""
+
+type AnObject* = object of RootObj
+  value*: int
+
+proc mutate(a: sink AnObject) =
+  a.value = 1
+
+var obj = AnObject(value: 42)
+echo "Value is: ", obj.value
+mutate(obj)
+echo "Value is: ", obj.value