tests: Add further tests for class defining __hash__.

tests/basics/builtin_hash.py

@@ -42,3 +42,15 @@ try:
     hash(D())
 except TypeError:
     print("TypeError")
+
+# __hash__ returning a bool should be converted to an int
+class E:
+    def __hash__(self):
+        return True
+print(hash(E()))
+
+# __hash__ returning a large number should be truncated
+class F:
+    def __hash__(self):
+        return 1 << 70 | 1
+print(hash(F()) != 0)