swift

2b1719ac - SILGen: Reabstract subexpr lvalue before ABISafeConversion.

SILGen: Reabstract subexpr lvalue before ABISafeConversion. Fixes rdar://130016855. When preconcurrency compatibility introduces implicit `@Sendable` conversions, the `ABISafeConversionExpr` representing that conversion indicates an ABI-neutral conversion from the substituted type of the original expression, so we need to reabstract in cases where the original property is more generic than the type we're working with.