[3.12] gh-116767: fix crash on 'async with' with many context managers (GH-118348) #118477
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Account for
add_stopiteration_handler
pushing a block forasync with
. To allow generator functions that previously almost hit theCO_MAXBLOCKS
limit by nesting non-async blocks, the limit is increased by 1. This increase allows one more block in non-generator functions.(cherry picked from commit c1bf487)