diff options
Diffstat (limited to 'Python/peephole.c')
| -rw-r--r-- | Python/peephole.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/Python/peephole.c b/Python/peephole.c index f2e0c0b..7c4640c 100644 --- a/Python/peephole.c +++ b/Python/peephole.c @@ -1,4 +1,4 @@ -/* Peehole optimizations for bytecode compiler. */ +/* Peephole optimizations for bytecode compiler. */ #include "Python.h" @@ -380,13 +380,17 @@ PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names, if (name == NULL || strcmp(name, "None") != 0) continue; for (j=0 ; j < PyList_GET_SIZE(consts) ; j++) { - if (PyList_GET_ITEM(consts, j) == Py_None) { - codestr[i] = LOAD_CONST; - SETARG(codestr, i, j); - cumlc = lastlc + 1; + if (PyList_GET_ITEM(consts, j) == Py_None) break; - } } + if (j == PyList_GET_SIZE(consts)) { + if (PyList_Append(consts, Py_None) == -1) + goto exitUnchanged; + } + assert(PyList_GET_ITEM(consts, j) == Py_None); + codestr[i] = LOAD_CONST; + SETARG(codestr, i, j); + cumlc = lastlc + 1; break; /* Skip over LOAD_CONST trueconst |