1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/other/crash-6.C b/gcc/testsuite/g++.dg/other/crash-6.C
new file mode 100644
index 000000000..2220675dc
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/crash-6.C
@@ -0,0 +1,34 @@
+// Origin: PR c++/42634
+// { dg-options "-g -std=c++0x" }
+// { dg-do compile }
+
+template<typename T> T declval();
+
+template<typename T, typename... Args> struct is_constructible {
+    template<typename T1, typename... Args1> static decltype(T1(declval<Args1>()...), char()) test();
+    static const bool value = sizeof(test<T, Args...>()) == 1;
+};
+template<bool> struct enable_if {
+        typedef void type;
+};
+template<class T1, class T2> struct pair {
+    template<class U2,
+             class = typename enable_if<is_constructible<T2,U2&&>::value>::type
+             >
+    pair(const T1&, U2&&) { }
+};
+struct string {
+  string() : p(0) {}
+  char* p;
+};
+
+struct Foo {
+  string s;
+  int i;
+};
+
+void f()
+{
+  pair<int, Foo>(1, Foo());
+}
+