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bpo-46724: Use JUMP_ABSOLUTE for all backward jumps. (GH-31326)

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* Make sure all backward jumps use JUMP_ABSOLUTE.

* Add news.

* Fix up news item.

* Make test use consistent style.
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Mark Shannon 2022-02-15 09:35:16 +00:00 • committed by GitHub
parent 12360aa159
commit 3be1a443ca
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Python/compile.c
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@ -7534,6 +7534,11 @@ normalize_jumps(struct assembler *a)
last->i_opcode = JUMP_FORWARD;
}
}
if (last->i_opcode == JUMP_FORWARD) {
if (last->i_target->b_visited == 1) {
last->i_opcode = JUMP_ABSOLUTE;
}
}
}
}