From 475b7f44c640c03f968d66dae389ea6165b4b5c2 Mon Sep 17 00:00:00 2001
From: Patrick Palka <ppalka@redhat.com>
Date: Mon, 11 Dec 2023 11:59:33 -0500
Subject: c++: add fixed testcase [PR63378]

We accept this testcase since r12-4453-g79802c5dcc043a.

	PR c++/63378

gcc/testsuite/ChangeLog:

	* g++.dg/template/fnspec3.C: New test.
---
 gcc/testsuite/g++.dg/template/fnspec3.C | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/template/fnspec3.C

diff --git a/gcc/testsuite/g++.dg/template/fnspec3.C b/gcc/testsuite/g++.dg/template/fnspec3.C
new file mode 100644
index 0000000..c36cb17
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/fnspec3.C
@@ -0,0 +1,20 @@
+// PR c++/63378
+// { dg-do compile { target c++11 } }
+
+template<class T1, class S1>
+struct B { };
+
+template<class T1>
+struct A {
+private:
+  template<class T2, class S2>
+  static B<T2, S2> g();
+
+public:
+  template<class S2>
+  auto f() -> decltype(g<T1, S2>());
+};
+
+template<>
+template<>
+auto A<int>::f<float>() -> B<int, float>;
-- 
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