Skip to content

Sema: Add missing test case for #82129 #82405

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
merged 1 commit into from
Jun 23, 2025
Merged

Sema: Add missing test case for #82129 #82405

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
29 changes: 29 additions & 0 deletions test/Macros/bind_extensions_request_cycle.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
// RUN: %target-typecheck-verify-swift %s

@attached(member) @attached(peer)
public macro Foo(_: any P) = #externalMacro(module: "FooMacros", type: "FooMacro")
// expected-warning@-1 {{external macro implementation type 'FooMacros.FooMacro' could not be found for macro 'Foo'; plugin for module 'FooMacros' not found}}
// expected-note@-2 2 {{'Foo' declared here}}

public protocol P {}

@Foo(S.s)
struct A {
// expected-error@-1 2 {{external macro implementation type 'FooMacros.FooMacro' could not be found for macro 'Foo'; plugin for module 'FooMacros' not found}}
func a() {}
}

extension A {
struct Nested {}
}

// Binding this extension must not trigger macro expansion, because that
// performs a qualified lookup of S.s, which fails because the extension
// of P declared below has not been bound yet.
extension A.Nested {}

struct S: P {}

extension P where Self == S {
static var s: Self { Self() }
}