New test case.

From-SVN: r31432

gcc/testsuite/g++.old-deja/g++.ns/new1.C

+// Test whether N::operator new is different from ::operator new
+#include <new>
+#include <cstdlib>
+
+bool success;
+
+namespace N{
+  void* operator new(size_t n){
+    success = true;
+    return std::malloc(n);
+  }
+}
+
+void *operator new(size_t n)throw(std::bad_alloc)
+{
+  static bool entered = false;
+  if(entered)
+    throw std::bad_alloc();
+  entered = true;
+  void *result = N::operator new(n);
+  entered = false;
+  return result;
+}
+
+int main()
+{
+  try{
+    new int;
+  }catch(...){
+    return 1;
+  }
+  return success?0:1;
+}