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// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -emit-module -o %t %S/Inputs/ExternPrecedences.swift
// RUN: %target-typecheck-verify-swift -I%t
import ExternPrecedences
precedencegroup A {
higherThan: A // expected-error {{cycle in 'higherThan' relation}}
}
precedencegroup B { // expected-note {{precedence group declared here}}
lowerThan: B // expected-error {{cycle in 'lowerThan' relation}}
// expected-error@-1{{precedence group cannot be given lower precedence than group in same module; make the other precedence group higher than this one instead}}
}
precedencegroup C0 {
higherThan: C1 // expected-error {{cycle in 'higherThan' relation}}
}
precedencegroup C1 {
higherThan: C0 // expected-note{{through reference to precedence group 'C0' here}}
}
precedencegroup D0 {
higherThan: D1 // expected-error {{cycle in 'higherThan' relation}}
}
precedencegroup D1 {
higherThan: D2 // expected-note{{through reference to precedence group 'D2' here}}
}
precedencegroup D2 {
higherThan: D0 // expected-note{{through reference to precedence group 'D0' here}}
}
precedencegroup E0 {
higherThan: Extern1 // expected-error{{cycle in higherThan relation: E0 -> Extern1 -> Extern0 -> E0}}
lowerThan: Extern0
}
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