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Have set conversion replace existing constant if not used elsewhere.

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Raymond Hettinger 2005-02-09 21:24:51 +00:00
parent 4d81ac9ca8
commit 5e547969f8
1 changed files with 7 additions and 1 deletions
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8
Python/compile.c
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@ -570,7 +570,13 @@ try_set_conversion(unsigned char *codestr, PyObject *consts)
return 0;
}
/* Append new constant onto consts list.*/
/* Append new constant onto consts list or replace existing constant
if there are no other references to it.*/
if (constant->ob_refcnt == 1) {
PyList_SET_ITEM(consts, arg, newconst);
Py_DECREF(constant);
return 1;
}
len_consts = PyList_GET_SIZE(consts);
if (PyList_Append(consts, newconst)) {
Py_DECREF(newconst);