Skip to content

[6.0][Conformance] Always downgrade redundant conformances to marker protocols to a warning. #75426

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
hborla merged 2 commits into from
Jul 24, 2024
Merged

[6.0][Conformance] Always downgrade redundant conformances to marker protocols to a warning. #75426

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
42277cf
[Conformance] Always downgrade redundant conformances to marker proto…
hborla Jul 23, 2024
39345fe
[NFC][Copyable] Update an expected error to a warning.
hborla Jul 23, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion lib/Sema/TypeCheckProtocol.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6283,7 +6283,7 @@ void TypeChecker::checkConformancesInContext(IterableDeclContext *idc) {
}

if ((existingModule != dc->getParentModule() && conformanceInOrigModule) ||
isSendable) {
diag.Protocol->isMarkerProtocol()) {
// Warn about the conformance.
if (isSendable && SendableConformance &&
isa<InheritedProtocolConformance>(SendableConformance)) {
Expand Down
7 changes: 7 additions & 0 deletions test/decl/protocol/conforms/redundant_conformance.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -86,3 +86,10 @@ class Class3 {
class SomeMockClass: Class3.ProviderThree { // okay
var someInt: Int = 5
}


class ImplicitCopyable {}

class InheritImplicitCopyable: ImplicitCopyable, Copyable {}
// expected-warning@-1 {{redundant conformance of 'InheritImplicitCopyable' to protocol 'Copyable'}}
// expected-note@-2 {{'InheritImplicitCopyable' inherits conformance to protocol 'Copyable' from superclass here}}