A few misc test updates / fixes

src/core/threading.cpp

@@ -678,15 +678,14 @@ extern "C" void PyThread_delete_key_value(int key) noexcept {
 
 
 extern "C" PyObject* _PyThread_CurrentFrames(void) noexcept {
-    assert(0 && "check refcounting");
     try {
         LOCK_REGION(&threading_lock);
-        BoxedDict* result = new BoxedDict;
+        BoxedDict* result = new BoxedDict();
         for (auto& pair : current_threads) {
             FrameInfo* frame_info = (FrameInfo*)pair.second->public_thread_state->frame_info;
             Box* frame = getFrame(frame_info);
             assert(frame);
-            result->d[boxInt(pair.first)] = frame;
+            PyDict_SetItem(result, autoDecref(boxInt(pair.first)), frame);
         }
         return result;
     } catch (ExcInfo) {

src/runtime/types.cpp

@@ -4836,6 +4836,10 @@ extern "C" void Py_Finalize() noexcept {
     _PyUnicode_Fini();
     PyInterpreterState_Clear(PyThreadState_GET()->interp);
 
+    for (auto b : constants) {
+        Py_DECREF(b);
+    }
+    constants.clear();
     for (auto b : late_constants) {
         Py_DECREF(b);
     }

test/tests/dash_m.py

 # expected: reffail
-# - cleaning up a paused generator?
+# - generator abandonment
 import os
 import sys
 import subprocess

test/tests/decorated_func_line.py

 # expected: reffail
+# - generator abandonment
 def wrapper(f):
     return f
 

test/tests/exec_directory.py

 # expected: reffail
+# - generator abandonment
 import sys
 import os
 import subprocess

test/tests/sys_current_frames.py

-# expected: reffail
 # this is copied out of cpythons test_sys.py and adopted to use assert stmts
 import sys
 import thread

test/tests/unicode_test.py

-# expected: reffail
 print repr(unicode())
 print repr(unicode('hello world'))
 print unicode('hello world')