FIX: Fixed invalid reference in scheduler

src/libloom/tasks/python_wrapper.cpp

@@ -3,7 +3,7 @@
 static void
 data_wrapper_dealloc(DataWrapper* self)
 {
-    self->data.~__shared_ptr();
+    self->data.~shared_ptr();
     Py_TYPE(self)->tp_free((PyObject*)self);
 }
 

src/server/scheduler.cpp

@@ -348,8 +348,8 @@ void Scheduler::create_derived_units()
 
    // Create pairs
    for (size_t i = 0; i < initial_size; i++) {
-      const SUnit &u1 = s_units[i];
       for (size_t j = i + 1; j < initial_size; j++) {
+         const SUnit &u1 = s_units[i];
          const SUnit &u2 = s_units[j];
          if (intersects(u1.inputs.begin(), u1.inputs.end(),
                         u2.inputs.begin(), u2.inputs.end())) {

tests/client/data_test.py

@@ -245,3 +245,13 @@ def test_size_and_length(loom_env):
     u64 = struct.Struct("<Q")
     [25, 0, 50, 2] == map(lambda x: u64.unpack(x)[0],
                           loom_env.submit((b1, c1, b2, c2)))
+
+def test_hostname(loom_env):
+    loom_env.start(1)
+
+    TASKS_COUNT = 100
+
+    ts = [tasks.run("hostname") for i in range(TASKS_COUNT)]
+    array = tasks.array_make(ts)
+
+    loom_env.submit(array)