include EnvTransform in optimised Visitor classes

diff --git a/Cython/Compiler/Visitor.pxd b/Cython/Compiler/Visitor.pxd
index ccd23f1d43535d5c54fe1fce433f28a2468ac9ea..3affff28ade6f11ad518188b218bb65e05419f02 100644 (file)
--- a/Cython/Compiler/Visitor.pxd
+++ b/Cython/Compiler/Visitor.pxd
@@ -20,3 +20,6 @@ cdef class VisitorTransform(TreeVisitor):
 cdef class CythonTransform(VisitorTransform):
     cdef public context
     cdef public current_directives
+
+cdef class EnvTransform(CythonTransform):
+    cdef public list env_stack