1 files changed, 53 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/warn/Wuninitialized-2.C b/gcc/testsuite/g++.dg/warn/Wuninitialized-2.C
new file mode 100644
index 000000000..2b6f92530
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wuninitialized-2.C
@@ -0,0 +1,53 @@
+/* { dg-do compile } */
+/* { dg-options "-O -Wuninitialized" } */
+
+struct S8 { template<typename T> S8(T) { } };
+
+template<typename T> struct S10;
+template<typename T> struct S10<T()> { typedef T S12; typedef S8 S1(); };
+
+template<typename T> struct S3 { };
+template<typename T> struct S11 { S11(S3<T>); };
+
+struct S2
+{
+  template<typename T> operator S11<T>() { return S11<T>(S5<T>()); }
+  template<typename T> struct S5:public S3<T>
+  {
+    virtual typename S10<T>::S12 S13() {
+      return 0;
+    }
+  };
+};
+
+template<typename T> S11<T> S6(S3<T>) { return S11<T>(S3<T>()); }
+template<typename S12> struct S7 { typedef S12 S15(); };
+
+struct S4
+{
+  template<typename T> operator S11<T>()
+  {
+    struct S14:public S3<T>
+    { 
+      S14(S2 x):S11_(x) { }
+      S11<typename S7<typename S10<T>::S12>::S15> S11_;
+    };
+    return S6(S14(S11_));
+  }
+  S2 S11_;
+};
+
+struct S9
+{
+  template<typename F> operator S11<F>() { return S11<F>(S14<F>(S11_)); }
+  template<typename F> struct S14:public S3<F>
+  {
+    S14(S4 x):S11_(x) { }
+    S11<typename S10<F>::S1> S11_;
+  };
+  S4 S11_;
+};
+
+void S15(S11<void()>);
+void S16() { S9 x; S15(x); }
+