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Check for use of implementation-only conformances in inlinable code

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This includes both the types and the values (generic functions, etc)
used in the inlinable code. We get some effectively duplicate
diagnostics at this point because of this, but we can deal with that
at a future date.

Last part of rdar://problem/48991061
This commit is contained in:
Jordan Rose
2019-04-09 16:06:02 -07:00
parent 590551781a
commit 7006aa0b9f
5 changed files with 392 additions and 27 deletions
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11
test/Sema/implementation-only-import-in-decls.swift
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@@ -64,6 +64,7 @@ public protocol TestAssocTypeWhereClause {
public enum TestRawType: IntLike { // expected-error {{cannot use 'IntLike' here; 'BADLibrary' has been imported as '@_implementationOnly'}}
case x = 1
// FIXME: expected-error@-1 {{cannot use conformance of 'IntLike' to 'Equatable' here; 'BADLibrary' has been imported as '@_implementationOnly'}}
}
public class TestSubclass: BadClass { // expected-error {{cannot use 'BadClass' here; 'BADLibrary' has been imported as '@_implementationOnly'}}
@@ -245,3 +246,13 @@ public struct RequirementsHandleSpecializationsToo: SlightlyMoreComplicatedRequi
public struct ClassConstrainedGenericArg<T: NormalClass>: PublicInferredAssociatedType { // expected-error {{cannot use conformance of 'NormalClass' to 'NormalProto' in associated type 'Self.Assoc' (inferred as 'T'); 'BADLibrary' has been imported as '@_implementationOnly'}}
public func takesAssoc(_: T) {}
}
public protocol RecursiveRequirements {
associatedtype Other: RecursiveRequirements
}
extension GenericStruct: RecursiveRequirements {
public typealias Other = GenericStruct<T>
}
public struct RecursiveRequirementsHolder<T: RecursiveRequirements> {}
public func makeSureRecursiveRequirementsDontBreakEverything(_: RecursiveRequirementsHolder<GenericStruct<Int>>) {}