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gh-146381: Constant-fold frozendict subscript lookups via REPLACE_OPCODE_IF_EVALUATES_PURE (gh-146490)

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Donghee Na 2026-03-28 09:48:53 +09:00 • committed by GitHub
parent a933e9ccee
commit 5992238986
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4 changed files with 86 additions and 1 deletions
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Python/optimizer_bytecodes.c
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@ -485,6 +485,9 @@ dummy_func(void) {
res = sym_new_not_null(ctx);
ds = dict_st;
ss = sub_st;
if (sym_matches_type(dict_st, &PyFrozenDict_Type)) {
REPLACE_OPCODE_IF_EVALUATES_PURE(dict_st, sub_st, res);
}
}
op(_BINARY_OP_SUBSCR_LIST_SLICE, (list_st, sub_st -- res, ls, ss)) {