Skip to content

LifetimeDependence: fix a type checker crash on implicit init #81129

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
Apr 28, 2025
Merged

LifetimeDependence: fix a type checker crash on implicit init #81129

Show file tree
Hide file tree
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
2 changes: 1 addition & 1 deletion lib/AST/LifetimeDependence.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -962,7 +962,7 @@ class LifetimeDependenceChecker {
diagnose(returnLoc,
diag::lifetime_dependence_cannot_infer_scope_ownership,
param->getParameterName().str(), diagnosticQualifier());
continue;
return;
}
targetDeps = std::move(targetDeps).add(paramIndex, *kind);
}
Expand Down
6 changes: 6 additions & 0 deletions test/Sema/lifetime_depend_infer.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,12 @@ struct EscapableNonTrivialSelf {
// (for initializers and stand-alone functions)
// =============================================================================

// An implicit initializer illegally consumes its nontrivial parameter.
public struct NonescapableImplicitInitializer: ~Escapable {
// expected-error @-1{{cannot borrow the lifetime of 'c', which has consuming ownership on an implicit initializer}}
var c: C
}

struct NonescapableInitializers: ~Escapable {
var c: C

Expand Down