From f62433f17c304a8bd8458a60eb32cd86ecf507a4 Mon Sep 17 00:00:00 2001
From: Matheus Izvekov <mizvekov@gmail.com>
Date: Sun, 5 Jun 2022 19:00:57 +0200
Subject: [PATCH] [NFC] Add test cases reported in PR54341

Signed-off-by: Matheus Izvekov <mizvekov@gmail.com>

Differential Revision: https://reviews.llvm.org/D127074
---
 .../class.init/class.copy.elision/p3.cpp      | 20 ++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/clang/test/CXX/class/class.init/class.copy.elision/p3.cpp b/clang/test/CXX/class/class.init/class.copy.elision/p3.cpp
index 7055acad6ccf..d7b52c561a54 100644
--- a/clang/test/CXX/class/class.init/class.copy.elision/p3.cpp
+++ b/clang/test/CXX/class/class.init/class.copy.elision/p3.cpp
@@ -96,7 +96,9 @@ void func();
 
 struct A1 {
   A1(const A1 &);
-  A1(A1 &&) = delete; // expected-note 2{{'A1' has been explicitly marked deleted here}}
+  A1(A1 &&) = delete;
+  // expected-note@-1 2{{'A1' has been explicitly marked deleted here}}
+  // cxx11_2b-note@-2  {{'A1' has been explicitly marked deleted here}}
 };
 void test1() {
   try {
@@ -125,6 +127,22 @@ void test3(A1 a) try {
 } catch (...) {
   throw a; // expected-error {{call to deleted constructor of 'test_throw_parameter::A1'}}
 }
+
+#if __cplusplus >= 201103L
+namespace PR54341 {
+void test4(A1 a) {
+  void f(decltype((throw a, 0)));
+  // expected-warning@-1 {{has no effect}}
+
+  void g(int = decltype(throw a, 0){});
+  // expected-warning@-1 {{has no effect}}
+}
+
+void test5(A1 a, int = decltype(throw a, 0){}) {}
+// expected-error@-1 {{call to deleted constructor of 'test_throw_parameter::A1'}}
+} // namespace PR54341
+#endif
+
 } // namespace test_throw_parameter
 
 // During the first overload resolution, the selected function no