Silence Coverity false alerts with CIDs #172, #183, #184

Modules/_sre.c

@@ -2678,7 +2678,7 @@ _compile(PyObject* self_, PyObject* args)
         return NULL;
 
     n = PyList_GET_SIZE(code);
-
+    /* coverity[ampersand_in_size] */
     self = PyObject_NEW_VAR(PatternObject, &Pattern_Type, n);
     if (!self)
         return NULL;
@@ -3185,6 +3185,7 @@ pattern_new_match(PatternObject* pattern, SRE_STATE* state, int status)
     if (status > 0) {
 
         /* create match object (with room for extra group marks) */
+        /* coverity[ampersand_in_size] */
         match = PyObject_NEW_VAR(MatchObject, &Match_Type,
                                  2*(pattern->groups+1));
         if (!match)

Objects/longobject.c

@@ -70,6 +70,7 @@ _PyLong_New(Py_ssize_t size)
 		PyErr_NoMemory();
 		return NULL;
 	}
+	/* coverity[ampersand_in_size] */
 	return PyObject_NEW_VAR(PyLongObject, &PyLong_Type, size);
 }