1 files changed, 46 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/init/array15.C b/gcc/testsuite/g++.dg/init/array15.C
new file mode 100644
index 00000000000..17160d07611
--- /dev/null
+++ b/gcc/testsuite/g++.dg/init/array15.C
@@ -0,0 +1,46 @@
+// { dg-do run }
+
+// Copyright (C) 2004 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 8 Dec 2004 <nathan@codesourcery.com>
+
+// PR 16681 too much memory used
+// Origin:  Matt LaFary <lafary@activmedia.com>
+
+struct foo {
+  unsigned char buffer[4111222];
+  foo() ;
+  bool check () const;
+};
+
+foo::foo ()
+  : buffer()
+{}
+
+bool foo::check () const
+{
+  for (unsigned ix = sizeof (buffer); ix--;)
+    if (buffer[ix])
+      return false;
+  return true;
+}
+
+void *operator new (__SIZE_TYPE__ size, void *p)
+{
+  return p;
+}
+
+char heap[5000000];
+
+int main ()
+{
+  for (unsigned ix = sizeof (heap); ix--;)
+    heap[ix] = ix;
+  
+  foo *f = new (heap) foo ();
+
+  if (!f->check ())
+    return 1;
+  return 0;
+}
+
+