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Fix ArgumentOutOfRangeException when Concat called after Skip that skips more elements than exist - #123295

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stephentoub merged 6 commits into

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copilot/fix-enumerable-concat-error

Jan 20, 2026

Commits on Jan 16, 2026

Initial plan
Copilot
committed
6799463

Commits on Jan 17, 2026

Fix ArgumentOutOfRangeException when Concat called after Skip that skips more elements than exist

Copilot
and
stephentoub
committed
d87b1ef
Move bounds check inside span path and check sourceIndex against sourceSpan.Length

Copilot
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stephentoub
committed
290913b
Move regression test to SkipTests.cs with multiple source types and operators

Copilot
and
stephentoub
committed
8157525
Add tests for Skip followed by Select, Where, Take, Distinct, OrderBy operators

Copilot
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stephentoub
committed
a907161

Commits on Jan 19, 2026

Add Contains tests for Skip that skips more elements than exist

Copilot
and
eiriktsarpalis
committed
5d85ed8