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bpo-42218: Correctly handle errors in left-recursive rules #23065

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Merged
lysnikolaou merged 4 commits into from
Oct 31, 2020
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bpo-42218: Correctly handle errors in left-recursive rules #23065

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bpo-42218: Correctly handle errors in left-recursive rules
lysnikolaou Oct 31, 2020
7fe6209
📜🤖 Added by blurb_it.
blurb-it[bot] Oct 31, 2020
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Update Misc/NEWS.d/next/Core and Builtins/2020-10-31-17-50-23.bpo-422…
lysnikolaou Oct 31, 2020
9f431b2
Add one more test case
lysnikolaou Oct 31, 2020
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Update Misc/NEWS.d/next/Core and Builtins/2020-10-31-17-50-23.bpo-42218… 
….Dp_Z3v.rst

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
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lysnikolaou and pablogsal authored Oct 31, 2020
commit 53ed0f46877af95e93f7b3852f7c0746cc2c3e38
5 changes: 3 additions & 2 deletions Misc/NEWS.d/next/Core and Builtins/2020-10-31-17-50-23.bpo-42218.Dp_Z3v.rst
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Check for errors in left-recursive parser rules to avoid cases where such errors do not
get handled in time and appear as long-distance bugs in other places.
Fixed a bug in the PEG parser that was causing crashes in debug mode. Now errors are checked
in left-recursive rules to avoid cases where such errors do not get handled in time and appear
as long-distance crashes in other places.