Revert 54813 for 2.5.1 release. Can be applied after 2.5 branch is unfrozen.
diff --git a/Objects/frameobject.c b/Objects/frameobject.c
index c12b70c..3a073b6 100644
--- a/Objects/frameobject.c
+++ b/Objects/frameobject.c
@@ -68,7 +68,7 @@
int new_lineno = 0; /* The new value of f_lineno */
int new_lasti = 0; /* The new value of f_lasti */
int new_iblock = 0; /* The new value of f_iblock */
- unsigned char *code = NULL; /* The bytecode for the frame... */
+ char *code = NULL; /* The bytecode for the frame... */
Py_ssize_t code_len = 0; /* ...and its length */
char *lnotab = NULL; /* Iterating over co_lnotab */
Py_ssize_t lnotab_len = 0; /* (ditto) */
@@ -85,7 +85,7 @@
int blockstack[CO_MAXBLOCKS]; /* Walking the 'finally' blocks */
int in_finally[CO_MAXBLOCKS]; /* (ditto) */
int blockstack_top = 0; /* (ditto) */
- unsigned char setup_op = 0; /* (ditto) */
+ int setup_op = 0; /* (ditto) */
/* f_lineno must be an integer. */
if (!PyInt_Check(p_new_lineno)) {