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gh-87447: Fix walrus comprehension rebind checking (#100581)

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Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
This commit is contained in:
Nikita Sobolev
2023-01-09 01:51:29 +03:00
committed by GitHub
parent 8d69828092
commit bc0a686f82
4 changed files with 92 additions and 3 deletions
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3
Python/symtable.c
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@@ -1488,7 +1488,8 @@ symtable_extend_namedexpr_scope(struct symtable *st, expr_ty e)
*/
if (ste->ste_comprehension) {
long target_in_scope = _PyST_GetSymbol(ste, target_name);
if (target_in_scope & DEF_COMP_ITER) {
if ((target_in_scope & DEF_COMP_ITER) &&
(target_in_scope & DEF_LOCAL)) {
PyErr_Format(PyExc_SyntaxError, NAMED_EXPR_COMP_CONFLICT, target_name);
PyErr_RangedSyntaxLocationObject(st->st_filename,
e->lineno,