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gh-107901: jump leaving an exception handler doesn't need an eval break check (#113943)

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Irit Katriel 2024-01-11 14:27:41 +00:00 committed by GitHub
parent 7ed76fc368
commit 0d8fec79ca
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3 changed files with 4 additions and 3 deletions
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4
Lib/test/test_dis.py
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@ -578,11 +578,11 @@ dis_asyncwith = """\
%4d L12: CLEANUP_THROW
-- L13: JUMP_BACKWARD 26 (to L5)
-- L13: JUMP_BACKWARD_NO_INTERRUPT 25 (to L5)
%4d L14: CLEANUP_THROW
-- L15: JUMP_BACKWARD 11 (to L11)
-- L15: JUMP_BACKWARD_NO_INTERRUPT 9 (to L11)
%4d L16: PUSH_EXC_INFO
WITH_EXCEPT_START

1
Misc/NEWS.d/next/Core and Builtins/2024-01-11-14-03-31.gh-issue-107901.U65IyC.rst Normal file
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@ -0,0 +1 @@
A jump leaving an exception handler back to normal code no longer checks the eval breaker.

2
Python/flowgraph.c
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@ -2164,7 +2164,7 @@ push_cold_blocks_to_end(cfg_builder *g) {
if (!IS_LABEL(b->b_next->b_label)) {
b->b_next->b_label.id = next_lbl++;
}
basicblock_addop(explicit_jump, JUMP, b->b_next->b_label.id, NO_LOCATION);
basicblock_addop(explicit_jump, JUMP_NO_INTERRUPT, b->b_next->b_label.id, NO_LOCATION);
explicit_jump->b_cold = 1;
explicit_jump->b_next = b->b_next;
b->b_next = explicit_jump;