1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/inherit/implicit-trivial1.C b/gcc-4.9/gcc/testsuite/g++.dg/inherit/implicit-trivial1.C
new file mode 100644
index 000000000..e63bd3435
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/inherit/implicit-trivial1.C
@@ -0,0 +1,23 @@
+// PR c++/46807
+// { dg-options -std=c++98 }
+// In C++98/03, B::B(const B&) is trivial because A::A(const A&) is trivial,
+// even though doing overload resolution would mean calling the template
+// constructor.  In C++0x, we do overload resolution to determine triviality.
+
+struct A
+{
+  A() {}
+private:
+  template <class T> A(T&);
+};
+
+struct B
+{
+  mutable A a;
+};
+
+int main()
+{
+  B b;
+  B b2(b);
+}