gh-156091: Fix crash compiling deeply nested inlined comprehensions - #156957
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iritkatriel wants to merge 2 commits into
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gh-156091: Fix crash compiling deeply nested inlined comprehensions#156957iritkatriel wants to merge 2 commits into
iritkatriel wants to merge 2 commits into
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…ions Count inlined-comprehension SETUP_FINALLY handlers toward CO_MAXBLOCKS so the compiler raises SyntaxError instead of overflowing the except stack. Co-authored-by: Cursor <cursoragent@cursor.com>
iritkatriel
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needs backport to 3.13
JelleZijlstra
approved these changes
Sep 5, 2026
iritkatriel
enabled auto-merge (squash)
September 5, 2026 15:30
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Count inlined-comprehension SETUP_FINALLY handlers toward CO_MAXBLOCKS so the compiler raises SyntaxError instead of overflowing the except stack.
Fixes #156091.
_PyCfgExceptStack, bypassing theu_nfblocksblock-nesting limit #156091