make SwitchTransform return True/False as result when Python objects are...

make SwitchTransform return True/False as result when Python objects are requested instead of crashing when trying to cast bint values to PyObject*

Cython/Compiler/Optimize.py

@@ -1010,14 +1010,14 @@ class SwitchTransform(Visitor.EnvTransform):
         result_ref = UtilNodes.ResultRefNode(node)
         true_body = Nodes.SingleAssignmentNode(
             node.pos,
-            lhs = result_ref,
-            rhs = true_val,
-            first = True)
+            lhs=result_ref,
+            rhs=true_val.coerce_to(node.type, self.current_env()),
+            first=True)
         false_body = Nodes.SingleAssignmentNode(
             node.pos,
-            lhs = result_ref,
-            rhs = false_val,
-            first = True)
+            lhs=result_ref,
+            rhs=false_val.coerce_to(node.type, self.current_env()),
+            first=True)
 
         if not_in:
             true_body, false_body = false_body, true_body

tests/run/switch.pyx

@@ -359,3 +359,39 @@ def int_enum_duplicates_mix(int x):
         return 2
     else:
         return 3
+
+
+@cython.test_assert_path_exists('//SwitchStatNode')
+@cython.test_fail_if_path_exists('//BoolBinopNode', '//PrimaryCmpNode')
+def int_in_bool_binop(int x):
+    """
+    >>> int_in_bool_binop(0)
+    False
+    >>> int_in_bool_binop(1)
+    True
+    >>> int_in_bool_binop(2)
+    True
+    >>> int_in_bool_binop(3)
+    False
+    """
+    return x == 1 or x == 2
+
+
+@cython.test_assert_path_exists('//SwitchStatNode')
+@cython.test_fail_if_path_exists('//BoolBinopNode', '//PrimaryCmpNode')
+def int_in_bool_binop_3(int x):
+    """
+    >>> int_in_bool_binop_3(0)
+    False
+    >>> int_in_bool_binop_3(1)
+    True
+    >>> int_in_bool_binop_3(2)
+    True
+    >>> int_in_bool_binop_3(3)
+    False
+    >>> int_in_bool_binop_3(4)
+    True
+    >>> int_in_bool_binop_3(5)
+    False
+    """
+    return x == 1 or x == 2 or x == 4