Merge pull request #1137 from Daetalus/ref_nexedi_test_float

Fix test_math refcounting error

from_cpython/Lib/test/test_int.py

-# expected: reffail
 import sys
 
 import unittest
@@ -369,7 +368,6 @@ class IntTestCases(IntLongCommonTests, unittest.TestCase):
     def test_error_on_string_base(self):
         self.assertRaises(TypeError, int, 100, base='foo')
 
-    @test_support.cpython_only
     def test_small_ints(self):
         self.assertIs(int('10'), 10)
         self.assertIs(int('-1'), -1)

from_cpython/Lib/test/test_math.py

-# expected: reffail
 # Python test set -- math module
 # XXXX Should not do tests around zero only
 

src/runtime/float.cpp

@@ -163,7 +163,10 @@ extern "C" double PyFloat_AsDouble(PyObject* o) noexcept {
         return -1;
     }
 
-    return static_cast<BoxedFloat*>(fo)->d;
+    val = static_cast<BoxedFloat*>(fo)->d;
+    Py_DECREF(fo);
+
+    return val;
 }
 
 template <typename T> static inline void raiseDivZeroExcIfZero(T var) {