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[3.12] gh-113602: Bail out when the parser tries to override existing errors (GH-113607) (#113652)

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gh-113602: Bail out when the parser tries to override existing errors (GH-113607)
(cherry picked from commit 9ed36d533a)

Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
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Miss Islington (bot) 2024-01-02 14:27:20 +01:00 • committed by GitHub
parent 20631e840e
commit 499f1d0a03
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3 changed files with 8 additions and 0 deletions
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4
Parser/pegen_errors.c
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@ -309,6 +309,10 @@ _PyPegen_raise_error_known_location(Parser *p, PyObject *errtype,
Py_ssize_t end_lineno, Py_ssize_t end_col_offset,
const char *errmsg, va_list va)
{
// Bail out if we already have an error set.
if (p->error_indicator && PyErr_Occurred()) {
return NULL;
}
PyObject *value = NULL;
PyObject *errstr = NULL;
PyObject *error_line = NULL;