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// RUN: %empty-directory(%t)
// RUN: cp -r %S/Inputs/lib-templates/* %t/
// RUN: %target-typecheck-verify-swift -enable-cross-import-overlays -I %t/lib/swift
//
// This module declares some really bad cross-import files.
//
import HorribleGoose
//
// Let's load them!
//
import UnitaryGoose
// expected-error@-1 {{cannot list cross-import overlays for 'UnitaryGoose':}}
// FIXME: It might be better to diagnose these errors on HorribleGoose's import
// decl, since they actually belong to HorribleGoose.
// (https://github.com/apple/swift/issues/54649)
import FlockOfGoose
// expected-error@-1 {{cannot load cross-import overlay for 'HorribleGoose' and 'FlockOfGoose':}}
import GibberishGoose
// expected-error@-1 {{cannot load cross-import overlay for 'HorribleGoose' and 'GibberishGoose': not a mapping}}
import VersionlessGoose
// expected-error@-1 {{cannot load cross-import overlay for 'HorribleGoose' and 'VersionlessGoose': missing required key 'version'}}
import FutureGoose
// expected-error@-1 {{cannot load cross-import overlay for 'HorribleGoose' and 'FutureGoose': key 'version' has invalid value: 42}}
import ListlessGoose
// expected-error@-1 {{cannot load cross-import overlay for 'HorribleGoose' and 'ListlessGoose': missing required key 'modules'}}
import AnonymousGoose
// expected-error@-1 {{cannot load cross-import overlay for 'HorribleGoose' and 'AnonymousGoose': missing required key 'name'}}
import RedundantGoose
// expected-warning@-1 {{modules 'RedundantGoose' and 'HorribleGoose' both declare module '_OverlayLibrary' as a cross-import overlay, which may cause paradoxical behavior when looking up names in them; please report this bug to the maintainers of these modules}}
// CircularGoose overlays itself with EndlessGoose, which overlays itself with
// CircularGoose, which should then break the cycle because we don't load the
// same overlay on an underlying module twice. If the test hangs, we've broken
// this behavior. (A circularity diagnostic instead wouldn't be awful.)
import CircularGoose
// no-error
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