Hamish Knight b2854b28bf [CS] Fix typealias handling in InferableTypeOpener ...

For non-generic cases we can simply recurse into the underlying type,
ensuring we don't crash with a null GenericSignature. For generic
cases, ensure we bind outer generic parameters to their archetypes,
and apply the substitutions to the original underlying type to ensure
we correctly handle cases where e.g an unbound generic is passed as
a generic argument to a generic typealias.

rdar://160135085

2025-09-23 14:36:06 +01:00

2.7 KiB

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