[gcc r14-8401] c++: add test [PR113347]

[Jason Merrill]

https://gcc.gnu.org/g:aedfdd340cbb4a97a8f6d432720a4df374c1e467

commit r14-8401-gaedfdd340cbb4a97a8f6d432720a4df374c1e467
Author: Jason Merrill <jason@redhat.com>
Date:   Tue Jan 23 16:09:15 2024 -0500

    c++: add test [PR113347]
    
    The patch for this PR is unneeded on trunk, but let's add the test.
    
            PR c++/113347
    
    gcc/testsuite/ChangeLog:
    
            * g++.dg/eh/return3.C: New test.

Diff:
---
 gcc/testsuite/g++.dg/eh/return3.C | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/gcc/testsuite/g++.dg/eh/return3.C b/gcc/testsuite/g++.dg/eh/return3.C
new file mode 100644
index 00000000000..76aa50d523d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/eh/return3.C
@@ -0,0 +1,17 @@
+// PR c++/113347
+
+#if __cplusplus < 201103L
+#define THROWS
+#else
+#define THROWS noexcept(false)
+#endif
+
+struct A { ~A(); };
+struct B { ~B() THROWS; };
+
+A f()
+{
+  A a;
+  return a;
+  B();
+}