1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/init/placement4.C b/gcc/testsuite/g++.dg/init/placement4.C
new file mode 100644
index 000000000..9c61eca2b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/init/placement4.C
@@ -0,0 +1,32 @@
+// PR c++/34158
+
+typedef __SIZE_TYPE__ size_t;
+extern "C" void* malloc (size_t);
+extern "C" void free (void *);
+
+template <class T> class undef;
+
+struct A {
+  A() { throw 1; }
+};
+
+template<typename T> class Pool { };
+
+void *operator new(size_t size,Pool<int>& pool)
+{
+  return malloc(size);
+}
+
+template<typename T>
+void operator delete(void *p,Pool<T>& pool)
+{
+  undef<T> t;			// { dg-error "incomplete" }
+  free(p);
+}
+
+int main ()
+{
+  Pool<int> pool;
+  new (pool) A();		// { dg-message "instantiated" }
+  return 0;
+}