1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gdc.test/compilable/test22421.d b/gcc/testsuite/gdc.test/compilable/test22421.d
new file mode 100644
index 0000000..902646d
--- /dev/null
+++ b/gcc/testsuite/gdc.test/compilable/test22421.d
@@ -0,0 +1,19 @@
+// https://issues.dlang.org/show_bug.cgi?id=22421
+
+alias AliasSeq(T...) = T;
+
+template staticMap(alias fun, args...)
+{
+    alias staticMap = AliasSeq!();
+    static foreach(arg; args)
+        staticMap = AliasSeq!(staticMap, fun!arg);
+}
+
+template id(alias what)
+{
+    enum id = __traits(identifier, what);
+}
+
+enum A { a }
+
+static assert(staticMap!(id, A.a) == AliasSeq!("a"));