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gh-134584: Eliminate redundant refcounting from _CALL_STR_1 (GH-136070)

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Signed-off-by: Manjusaka <me@manjusaka.me>
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Nadeshiko Manju 2025-12-14 17:33:05 +08:00 • committed by GitHub
parent d3ef5ba34d
commit a154c9ed4e
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10 changed files with 58 additions and 43 deletions
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Python/optimizer_bytecodes.c
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@ -951,7 +951,7 @@ dummy_func(void) {
}
}
op(_CALL_STR_1, (unused, unused, arg -- res)) {
op(_CALL_STR_1, (unused, unused, arg -- res, a)) {
if (sym_matches_type(arg, &PyUnicode_Type)) {
// e.g. str('foo') or str(foo) where foo is known to be a string
// Note: we must strip the reference information because it goes
@ -961,6 +961,7 @@ dummy_func(void) {
else {
res = sym_new_type(ctx, &PyUnicode_Type);
}
a = arg;
}
op(_CALL_ISINSTANCE, (unused, unused, instance, cls -- res)) {