add another failing test for iterable lookup in generators

runtests.py

@@ -200,6 +200,7 @@ VER_DEP_MODULES = {
                                           'run.all',
                                           'run.yield_from_pep380',  # GeneratorExit
                                           'run.generator_frame_cycle', # yield in try-finally
+                                          'run.generator_expressions_in_class',
                                           'run.relativeimport_T542',
                                           'run.relativeimport_star_T542',
                                           'run.initial_file_path',  # relative import

tests/bugs.txt

@@ -8,6 +8,7 @@ cfunc_call_tuple_args_T408
 cpp_structs
 closure_inside_cdef_T554
 genexpr_iterable_lookup_T600
+generator_expressions_in_class
 for_from_pyvar_loop_T601
 temp_sideeffects_T654    # not really a bug, Cython warns about it
 slice2_T636

tests/run/generator_expressions_in_class.py

+# mode: run
+# tag: generators
+
+
+class TestClass(object):
+    """
+    >>> TestClass.x
+    [1, 2, 3]
+    >>> list(TestClass.gen)
+    []
+    >>> TestClass.gen_result
+    [2, 4, 6]
+    >>> TestClass.test
+    True
+    >>> list(TestClass.gen3)
+    [2, 4, 6, 8, 10, 12]
+    """
+
+    x = [1, 2, 3]
+
+    gen = (i * 2 for i in x)
+
+    test = all(i * 2 for i in x)
+
+    gen_result = list(gen)
+
+    nested_list = [[1, 2, 3], [4, 5, 6]]
+
+    #gen2 = (i * 2 for i in x for x in nested_list)  # move to error test
+
+    gen3 = (i * 2 for x in nested_list for i in x)