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-rw-r--r--Python/peephole.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/Python/peephole.c b/Python/peephole.c
index de1b2ac..0e70183 100644
--- a/Python/peephole.c
+++ b/Python/peephole.c
@@ -329,7 +329,7 @@ PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names,
/* Bail out if an exception is set */
if (PyErr_Occurred())
- goto exitUnchanged;
+ goto exitError;
/* Bypass optimization when the lineno table is too complex */
assert(PyBytes_Check(lineno_obj));
@@ -347,7 +347,7 @@ PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names,
/* Make a modifiable copy of the code string */
codestr = (unsigned char *)PyMem_Malloc(codelen);
if (codestr == NULL)
- goto exitUnchanged;
+ goto exitError;
codestr = (unsigned char *)memcpy(codestr,
PyBytes_AS_STRING(code), codelen);
@@ -362,11 +362,11 @@ PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names,
/* Mapping to new jump targets after NOPs are removed */
addrmap = (int *)PyMem_Malloc(codelen * sizeof(int));
if (addrmap == NULL)
- goto exitUnchanged;
+ goto exitError;
blocks = markblocks(codestr, codelen);
if (blocks == NULL)
- goto exitUnchanged;
+ goto exitError;
assert(PyList_Check(consts));
for (i=0 ; i<codelen ; i += CODESIZE(codestr[i])) {
@@ -412,7 +412,7 @@ PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names,
name = _PyUnicode_AsString(PyTuple_GET_ITEM(names, j));
h = load_global(codestr, i, name, consts);
if (h < 0)
- goto exitUnchanged;
+ goto exitError;
else if (h == 0)
continue;
cumlc = lastlc + 1;
@@ -664,6 +664,9 @@ PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names,
PyMem_Free(blocks);
return code;
+ exitError:
+ code = NULL;
+
exitUnchanged:
if (blocks != NULL)
PyMem_Free(blocks);
@@ -671,6 +674,6 @@ PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names,
PyMem_Free(addrmap);
if (codestr != NULL)
PyMem_Free(codestr);
- Py_INCREF(code);
+ Py_XINCREF(code);
return code;
}