remove INT_MAX assertions; they can fail with large Py_ssize_t #9058

Misc/NEWS

@@ -24,6 +24,8 @@ What's New in Python 2.7 release candidate 2?
 Core and Builtins
 -----------------
 
+- Issue #9058: Remove assertions about INT_MAX in UnicodeDecodeError.
+
 - Issue #8202: Previous change to ``sys.argv[0]`` handling for -m command line
   option reverted due to unintended side effects on handling of ``sys.path``.
   See tracker issue for details.

Objects/exceptions.c

@@ -1784,9 +1784,6 @@ PyUnicodeDecodeError_Create(
     const char *encoding, const char *object, Py_ssize_t length,
     Py_ssize_t start, Py_ssize_t end, const char *reason)
 {
-    assert(length < INT_MAX);
-    assert(start < INT_MAX);
-    assert(end < INT_MAX);
     return PyObject_CallFunction(PyExc_UnicodeDecodeError, "ss#nns",
                                  encoding, object, length, start, end, reason);
 }