fix compiler crash on in-place buffer C division

Cython/Compiler/Nodes.py

@@ -4533,7 +4533,8 @@ class InPlaceAssignmentNode(AssignmentNode):
         if isinstance(self.lhs, ExprNodes.IndexNode) and self.lhs.is_buffer_access:
             if self.lhs.type.is_pyobject:
                 error(self.pos, "In-place operators not allowed on object buffers in this release.")
-            if c_op in ('/', '%') and self.lhs.type.is_int and not code.directives['cdivision']:
+            if (c_op in ('/', '%') and self.lhs.type.is_int
+                and not code.globalstate.directives['cdivision']):
                 error(self.pos, "In-place non-c divide operators not allowed on int buffers.")
             self.lhs.generate_buffer_setitem_code(self.rhs, code, c_op)
         else:

tests/memoryview/memoryview_inplace_division.pyx

+# mode: run
+# tag: memoryview, cdivision
+
+cimport cython
+from cpython.array cimport array  # make Cython aware of the array type
+
+def div_memoryview(int[:] A):
+    """
+    >>> from array import array
+    >>> x = array('i', [6])
+    >>> div_memoryview(x)
+    >>> x[0]
+    3
+    """
+    with cython.cdivision(True):
+        A[0] /= 2
+
+def div_buffer(object[int, ndim=1] A):
+    """
+    >>> from array import array
+    >>> x = array('i', [6])
+    >>> div_buffer(x)
+    >>> x[0]
+    3
+    """
+    with cython.cdivision(True):
+        A[0] /= 2
+