ext: Upgrade PyBind11 to version 2.1.1

Change-Id: I16870dec402d661295f9d013dc23e362b2b2c169
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/3225
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>

1 files changed, 30 insertions, 25 deletions

diff --git a/ext/pybind11/tests/test_buffers.py b/ext/pybind11/tests/test_buffers.py
index f0ea964d9..24843d95a 100644
--- a/ext/pybind11/tests/test_buffers.py
+++ b/ext/pybind11/tests/test_buffers.py
@@ -1,11 +1,38 @@
 import pytest
 from pybind11_tests import Matrix, ConstructorStats
 
+pytestmark = pytest.requires_numpy
+
 with pytest.suppress(ImportError):
     import numpy as np
 
 
-@pytest.requires_numpy
+def test_from_python():
+    with pytest.raises(RuntimeError) as excinfo:
+        Matrix(np.array([1, 2, 3]))  # trying to assign a 1D array
+    assert str(excinfo.value) == "Incompatible buffer format!"
+
+    m3 = np.array([[1, 2, 3], [4, 5, 6]]).astype(np.float32)
+    m4 = Matrix(m3)
+
+    for i in range(m4.rows()):
+        for j in range(m4.cols()):
+            assert m3[i, j] == m4[i, j]
+
+    cstats = ConstructorStats.get(Matrix)
+    assert cstats.alive() == 1
+    del m3, m4
+    assert cstats.alive() == 0
+    assert cstats.values() == ["2x3 matrix"]
+    assert cstats.copy_constructions == 0
+    # assert cstats.move_constructions >= 0  # Don't invoke any
+    assert cstats.copy_assignments == 0
+    assert cstats.move_assignments == 0
+
+
+# PyPy: Memory leak in the "np.array(m, copy=False)" call
+# https://bitbucket.org/pypy/pypy/issues/2444
+@pytest.unsupported_on_pypy
 def test_to_python():
     m = Matrix(5, 5)
 
@@ -23,35 +50,13 @@ def test_to_python():
     cstats = ConstructorStats.get(Matrix)
     assert cstats.alive() == 1
     del m
+    pytest.gc_collect()
     assert cstats.alive() == 1
     del m2  # holds an m reference
+    pytest.gc_collect()
     assert cstats.alive() == 0
     assert cstats.values() == ["5x5 matrix"]
     assert cstats.copy_constructions == 0
     # assert cstats.move_constructions >= 0  # Don't invoke any
     assert cstats.copy_assignments == 0
     assert cstats.move_assignments == 0
-
-
-@pytest.requires_numpy
-def test_from_python():
-    with pytest.raises(RuntimeError) as excinfo:
-        Matrix(np.array([1, 2, 3]))  # trying to assign a 1D array
-    assert str(excinfo.value) == "Incompatible buffer format!"
-
-    m3 = np.array([[1, 2, 3], [4, 5, 6]]).astype(np.float32)
-    m4 = Matrix(m3)
-
-    for i in range(m4.rows()):
-        for j in range(m4.cols()):
-            assert m3[i, j] == m4[i, j]
-
-    cstats = ConstructorStats.get(Matrix)
-    assert cstats.alive() == 1
-    del m3, m4
-    assert cstats.alive() == 0
-    assert cstats.values() == ["2x3 matrix"]
-    assert cstats.copy_constructions == 0
-    # assert cstats.move_constructions >= 0  # Don't invoke any
-    assert cstats.copy_assignments == 0
-    assert cstats.move_assignments == 0