--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/llvm/test/TableGen/size.td	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,34 @@
+// RUN: llvm-tblgen %s | FileCheck %s
+// XFAIL: vg_leak
+
+// CHECK: --- Defs ---
+
+// CHECK: def A1 {
+// CHECK:   int Val = 0;
+// CHECK: }
+
+// CHECK: def A2 {
+// CHECK:   int Val = 3;
+// CHECK: }
+
+// CHECK: def B1 {
+// CHECK:   int Val = 0;
+// CHECK: }
+
+// CHECK: def B2 {
+// CHECK:   int Val = 2;
+// CHECK: }
+
+class A<list<int> L> {
+  int Val = !size(L);
+}
+
+class B<list<string> L> {
+  int Val = !size(L);
+}
+
+def A1 : A<[]>;
+def A2 : A<[1, 1, 2]>;
+
+def B1 : B<[]>;
+def B2 : B<["a", "b"]>;