--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-sizeof2.C	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,14 @@
+// PR c++/90825 - endless recursion when evaluating sizeof.
+// { dg-do compile { target c++11 } }
+
+class address {
+  char host_[63];
+public:
+  static constexpr unsigned buffer_size() noexcept { return sizeof(host_); }
+};
+
+template <class Archive>
+void load()
+{
+  char host[address::buffer_size()];
+}