This code is actually not used unless WITHOUT_COMPLEX is defined.

However, there was no error checking that PyFloat_FromDouble returned
a valid pointer.  I believe this change is correct as it seemed
to follow other code in the area.

Klocwork # 292.

Python/marshal.c

@@ -213,6 +213,10 @@ w_object(PyObject *v, WFILE *p)
 			w_byte(TYPE_COMPLEX, p);
 			temp = (PyFloatObject*)PyFloat_FromDouble(
 				PyComplex_RealAsDouble(v));
+			if (!temp) {
+				p->error = 1;
+				return;
+			}
 			PyFloat_AsReprString(buf, temp);
 			Py_DECREF(temp);
 			n = strlen(buf);
@@ -220,6 +224,10 @@ w_object(PyObject *v, WFILE *p)
 			w_string(buf, (int)n, p);
 			temp = (PyFloatObject*)PyFloat_FromDouble(
 				PyComplex_ImagAsDouble(v));
+			if (!temp) {
+				p->error = 1;
+				return;
+			}
 			PyFloat_AsReprString(buf, temp);
 			Py_DECREF(temp);
 			n = strlen(buf);