bpo-43574: Dont overallocate list literals#24954

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chadnetzer:bpo43574-dont-overallocate-list-literals

Commits on Mar 21, 2021

Add testcase for bpo-43574 list overallocaton
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Don't overallocate when extending an empty list
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Skip overallocation calc when not overallocating
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Commits on Mar 22, 2021

Fix list_extend() init list changes to PEP-7 form
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bpo-43574: Add NEWS
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Add more list overallocation regression tests
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Put common-case first in logical-or list_resize()
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Commits on Mar 23, 2021

Adjust NEWS entry language based on PR feedback
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Commits on Apr 4, 2021

Allow empty list append/insert to overallocate
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Update test_overallocation of empty list append()
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Commits on Apr 5, 2021

Add direct test of list-literal non-overallocation
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