Optimize checking involving large discriminated union types#42556

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ahejlsberg merged 18 commits intomasterfrom

Mar 1, 2021

Commits on Jan 29, 2021

Commits on Jan 30, 2021

Fast path in relations and filtering of pure discriminated union types
ahejlsberg
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Commits on Jan 31, 2021

Create maps for mixed unions, but not for small or primitive only unions
ahejlsberg
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Commits on Feb 2, 2021

Create many-to-many mapping with certain limits, also use in CFA
ahejlsberg
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Commits on Feb 3, 2021

Commits on Feb 4, 2021

Revert change to apparent contextual type / better criteria for map eligibility
ahejlsberg
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Commits on Feb 16, 2021

Commits on Feb 17, 2021

Commits on Feb 18, 2021

Commits on Feb 19, 2021

Commits on Feb 21, 2021

Merge branch 'master' into fix42522
ahejlsberg
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Commits on Feb 28, 2021

Remove deduplication logic now that subtype reduction was optimized
ahejlsberg
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