Files
swift-mirror/test/Generics/canonicalization.swift
2022-05-10 12:56:17 -04:00

19 lines
531 B
Swift

// RUN: %target-typecheck-verify-swift -warn-redundant-requirements
// rdar://problem/23149063
protocol P0 { }
protocol P {
associatedtype A
}
protocol Q : P {
associatedtype A
}
func f<T>(t: T) where T : P, T : Q, T.A : P0 { } // expected-note{{'f(t:)' previously declared here}}
// expected-warning@-1{{redundant conformance constraint 'T' : 'P'}}
func f<T>(t: T) where T : Q, T : P, T.A : P0 { } // expected-error{{invalid redeclaration of 'f(t:)'}}
// expected-warning@-1{{redundant conformance constraint 'T' : 'P'}}