1/* { dg-do compile } */ 2/* { dg-require-effective-target lto } */ 3/* { dg-options "-flto -Wuninitialized -O1" } */ 4 5template <typename T> struct Q1 { typedef int x; }; 6template <typename T> struct Q2 { 7 typename Q1<T>::x f() { 8 int k; 9 return k; /* { dg-warning "'k' is used uninitialized in this function" } */ 10 } 11}; 12int foo() { return Q2<int>().f(); } 13