Revert 2.312; turns out interning the file name did do some good (reducing
.pyc size) after all.
diff --git a/Python/compile.c b/Python/compile.c
index 5abf2b8..0b5ba6c 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -4731,7 +4731,7 @@
cellvars = dict_keys_inorder(sc.c_cellvars, 0);
freevars = dict_keys_inorder(sc.c_freevars,
PyTuple_GET_SIZE(cellvars));
- filename = PyString_FromString(sc.c_filename);
+ filename = PyString_InternFromString(sc.c_filename);
name = PyString_InternFromString(sc.c_name);
if (!PyErr_Occurred())
co = PyCode_New(sc.c_argcount,