1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/init/new27.C b/gcc/testsuite/g++.dg/init/new27.C
new file mode 100644
index 000000000..a6271c930
--- /dev/null
+++ b/gcc/testsuite/g++.dg/init/new27.C
@@ -0,0 +1,40 @@
+// PR c++/34862
+// { dg-do run }
+// { dg-options "-O2" }
+
+typedef __SIZE_TYPE__ size_t;
+extern "C" void abort ();
+
+struct T
+{
+  void *operator new (size_t, char *&);
+  T () { i[0] = 1; i[1] = 2; }
+  int i[2];
+};
+
+void *
+T::operator new (size_t size, char *&p)
+{
+  void *o = (void *) p;
+  p += size;
+  return o;
+}
+
+T *
+f (char *&x)
+{
+  return new (x) T ();
+}
+
+char buf[10 * sizeof (T)] __attribute__((aligned (__alignof (T))));
+
+int
+main ()
+{
+  char *p = buf;
+  T *t = f (p);
+  if (p != buf + sizeof (T))
+    abort ();
+  if (t->i[0] != 1 || t->i[1] != 2)
+    abort ();
+}