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Fix assert Crash for certain Cython generated functions #135306

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Fix assert Crash for certain Cython generated functions #135306

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2cf6043
Fix assert Crash when code size is 0
rainwoodman Jun 9, 2025
2e2d81a
Actually the size is 8 bytes.
rainwoodman Jun 9, 2025
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4 changes: 2 additions & 2 deletions Objects/codeobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1015,7 +1015,7 @@ PyCode_NewEmpty(const char *filename, const char *funcname, int firstlineno)
int
PyCode_Addr2Line(PyCodeObject *co, int addrq)
{
if (addrq < 0) {
if (addrq < 0 || addrq == _PyCode_NBYTES(co)) {
return co->co_firstlineno;
}
if (co->_co_monitoring && co->_co_monitoring->lines) {
Expand Down Expand Up @@ -1232,7 +1232,7 @@ PyCode_Addr2Location(PyCodeObject *co, int addrq,
int *start_line, int *start_column,
int *end_line, int *end_column)
{
if (addrq < 0) {
if (addrq < 0 || addrq == _PyCode_NBYTES(co)) {
*start_line = *end_line = co->co_firstlineno;
*start_column = *end_column = 0;
return 1;
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