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2c1d48b69c
It's need to correctly maintain dependencies from an open-existential instruction to a `keypath` instruction which uses the opened type. Fixes a SILVerifier crash. rdar://105517521
19 lines
653 B
Swift
19 lines
653 B
Swift
// RUN: %target-swift-frontend -O -emit-sil %s | %FileCheck %s
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public protocol P {}
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// CHECK-LABEL: sil @$s14inline_keypath6testitySbAA1P_pXp_s14PartialKeyPathCyxGtSlRzlF
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// CHECK: [[T:%[0-9]+]] = open_existential_metatype %0
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// CHECK: = keypath {{.*}}@opened{{.*}} type-defs: [[T]]
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// CHECK: } // end sil function '$s14inline_keypath6testitySbAA1P_pXp_s14PartialKeyPathCyxGtSlRzlF'
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public func testit<C: Collection>(_ t: any P.Type, _ kp: PartialKeyPath<C>) -> Bool {
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return tyFunc(t, kp)
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}
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@inline(__always)
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func tyFunc<C: Collection, H: P>(_ h: H.Type, _ kp: PartialKeyPath<C>) -> Bool {
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return kp == \Array<H>.count
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}
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