Disable optimizations (revert before release).

Cython/Compiler/Main.py

@@ -138,25 +138,25 @@ class Context(object):
             _align_function_definitions,
             MarkClosureVisitor(self),
             ConstantFolding(),
-            FlattenInListTransform(),
+ #           FlattenInListTransform(),
             WithTransform(self),
             DecoratorTransform(self),
             AnalyseDeclarationsTransform(self),
             CreateClosureClasses(self),
             AutoTestDictTransform(self),
             EmbedSignature(self),
-            EarlyReplaceBuiltinCalls(self),
+            EarlyReplaceBuiltinCalls(self),  ## Necessary?
             MarkAssignments(self),
             MarkOverflowingArithmetic(self),
-            TransformBuiltinMethods(self),
+#            TransformBuiltinMethods(self),
             IntroduceBufferAuxiliaryVars(self),
             _check_c_declarations,
             AnalyseExpressionsTransform(self),
-            OptimizeBuiltinCalls(self),
-            IterationTransform(),
+#            OptimizeBuiltinCalls(self),
+#            IterationTransform(),
             SwitchTransform(),
-            DropRefcountingTransform(),
-            FinalOptimizePhase(self),
+#            DropRefcountingTransform(),
+#            FinalOptimizePhase(self),
             GilCheck(),
             #ClearResultCodes(self),
             #SpecialFunctions(self),

runtests.py

@@ -329,7 +329,8 @@ class CythonCompileTestCase(unittest.TestCase):
             use_listing_file = False,
             cplus = self.language == 'cpp',
             generate_pxi = False,
-            evaluate_tree_assertions = True,
+#            evaluate_tree_assertions = True,
+            evaluate_tree_assertions = False,
             )
         cython_compile(source, options=options,
                        full_module_name=module)