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| author | Raymond Hettinger <python@rcn.com> | 2005-02-09 21:24:51 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2005-02-09 21:24:51 (GMT) |
| commit | 5e547969f8e310b6090db0853186c2c03fd1023b (patch) | |
| tree | 7e9f2009900044b6069847c1ae5914c72c5f4746 /Python | |
| parent | 4d81ac9ca80c301315d692a43e11afd5b9d1b871 (diff) | |
| download | cpython-5e547969f8e310b6090db0853186c2c03fd1023b.zip cpython-5e547969f8e310b6090db0853186c2c03fd1023b.tar.gz cpython-5e547969f8e310b6090db0853186c2c03fd1023b.tar.bz2 | |
Have set conversion replace existing constant if not used elsewhere.
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/compile.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Python/compile.c b/Python/compile.c index dd58aa6..f90f82c 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -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); |