imp.find_module('test/badsyntax_pep3120') causes segfault

Python/import.c

Index: Python/import.c
===================================================================
--- Python/import.c	(révision 87441)
+++ Python/import.c	(copie de travail)
@@ -123,9 +123,6 @@
 /* This table is defined in config.c: */
 extern struct _inittab _PyImport_Inittab[];
 
-/* Method from Parser/tokenizer.c */
-extern char * PyTokenizer_FindEncoding(int);
-
 struct _inittab *PyImport_Inittab = _PyImport_Inittab;
 
 /* these tables define the module suffixes that Python recognizes */
@@ -3174,9 +3171,9 @@
     }
     if (fd != -1) {
         if (strchr(fdp->mode, 'b') == NULL) {
-            /* PyTokenizer_FindEncoding() returns PyMem_MALLOC'ed
+            /* PyTokenizer_FindEncodingFilename() returns PyMem_MALLOC'ed
                memory. */
-            found_encoding = PyTokenizer_FindEncoding(fd);
+            found_encoding = PyTokenizer_FindEncodingFilename(fd, pathname);
             lseek(fd, 0, 0); /* Reset position */
             if (found_encoding == NULL && PyErr_Occurred())
                 return NULL;