Use mappinglookup instead of dictlookup for looking up __builtin__.
diff --git a/Objects/frameobject.c b/Objects/frameobject.c
index beb4c2d..db02924 100644
--- a/Objects/frameobject.c
+++ b/Objects/frameobject.c
@@ -138,8 +138,14 @@
int nvalues;
int nblocks;
{
+ static object *builtin_object;
frameobject *f;
object *builtins;
+ if (builtin_object == NULL) {
+ builtin_object = newstringobject("__builtins__");
+ if (builtin_object == NULL)
+ return NULL;
+ }
if ((back != NULL && !is_frameobject(back)) ||
code == NULL || !is_codeobject(code) ||
globals == NULL || !is_dictobject(globals) ||
@@ -148,7 +154,7 @@
err_badcall();
return NULL;
}
- builtins = dictlookup(globals, "__builtins__");
+ builtins = mappinglookup(globals, builtin_object);
if (builtins != NULL && is_moduleobject(builtins))
builtins = getmoduledict(builtins);
if (builtins == NULL || !is_mappingobject(builtins)) {