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gh-148083: Prevent constant folding when lhs is container types (gh-148090)

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Donghee Na 2026-04-05 00:40:12 +09:00 • committed by GitHub
parent c398490fbf
commit 853dafe23a
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5 changed files with 24 additions and 4 deletions
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6
Python/optimizer_bytecodes.c
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@ -515,7 +515,8 @@ dummy_func(void) {
res = sym_new_not_null(ctx);
ds = dict_st;
ss = sub_st;
if (sym_matches_type(dict_st, &PyFrozenDict_Type)) {
if (sym_is_not_container(sub_st) &&
sym_matches_type(dict_st, &PyFrozenDict_Type)) {
REPLACE_OPCODE_IF_EVALUATES_PURE(dict_st, sub_st, res);
}
}
@ -706,7 +707,8 @@ dummy_func(void) {
b = sym_new_type(ctx, &PyBool_Type);
l = left;
r = right;
if (sym_matches_type(right, &PyFrozenSet_Type)) {
if (sym_is_not_container(left) &&
sym_matches_type(right, &PyFrozenSet_Type)) {
REPLACE_OPCODE_IF_EVALUATES_PURE(left, right, b);
}
}