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Fixes #16018: Existential widening for wildcard arguments#26152

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He-Pin wants to merge 2 commits into

scala:mainscala/scala3:mainfrom

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Fixes #16018: Existential widening for wildcard arguments#26152
He-Pin wants to merge 2 commits into
scala:mainfrom
He-Pin:add-i16018-tests

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Commits on May 28, 2026

Fix #16018: Existential widening for wildcard arguments
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Fix #16018: Guard existential widening for recursive parameter bounds
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committed

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