1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gdc.test/runnable/test16140.d b/gcc/testsuite/gdc.test/runnable/test16140.d
new file mode 100644
index 00000000000..3004945c070
--- /dev/null
+++ b/gcc/testsuite/gdc.test/runnable/test16140.d
@@ -0,0 +1,32 @@
+// https://issues.dlang.org/show_bug.cgi?id=16140
+
+int fun()
+{
+    static int count = 0;
+    if (count == 3)
+    {
+        count = 0;
+        return 0;
+    }
+    ++count;
+    return count;
+}
+
+void main()
+{
+    uint[] res;
+    while(auto value = fun())
+        res ~= value;
+    assert(res == [1, 2, 3]);
+
+    res.length = 0;
+    while(uint value = fun())
+        res ~= value;
+    assert(res == [1, 2, 3]);
+
+    res.length = 0;
+    while(const value = fun())
+        res ~= value;
+    assert(res == [1, 2, 3]);
+}
+