Silence clang warnings about unreachable code.

Closes cython#6873

Author: scoder

Cython/Utility/Coroutine.c

@@ -2124,8 +2124,8 @@ static void __Pyx__ReturnWithStopIteration(PyObject* value, int async) {
     PyObject *exc;
     PyObject *exc_type = async ? PyExc_StopAsyncIteration : PyExc_StopIteration;
 #if CYTHON_COMPILING_IN_CPYTHON
-    if ((PY_VERSION_HEX >= 0x030C00A6) || unlikely(PyTuple_Check(value) || PyExceptionInstance_Check(value))) {
-        if ((PY_VERSION_HEX >= 0x030e00A1)) {
+    if ((PY_VERSION_HEX >= (0x030C00A6)) || unlikely(PyTuple_Check(value) || PyExceptionInstance_Check(value))) {
+        if (PY_VERSION_HEX >= (0x030e00A1)) {
             exc = __Pyx_PyObject_CallOneArg(exc_type, value);
         } else {
             // Before Py3.14a1, CPython doesn't implement vectorcall for exceptions.