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Merge pull request #80847 from glessard/rdar149227278-nonescapable-mutating-accessor-62

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[6.2, LifetimeDependenceMutableAccessors] defensive feature flag
This commit is contained in:
Guillaume Lessard
2025-04-29 12:30:10 -07:00
committed by GitHub
parent b442d3177b e81fbe5f48
commit e9b21cff7d
3 changed files with 19 additions and 0 deletions
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17
lib/AST/FeatureSet.cpp
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@@ -294,6 +294,23 @@ static bool usesFeatureInoutLifetimeDependence(Decl *decl) {
}
}
static bool usesFeatureLifetimeDependenceMutableAccessors(Decl *decl) {
if (!isa<VarDecl>(decl)) {
return false;
}
auto var = cast<VarDecl>(decl);
if (!var->isGetterMutating()) {
return false;
}
if (auto dc = var->getDeclContext()) {
if (auto nominal = dc->getSelfNominalTypeDecl()) {
auto sig = nominal->getGenericSignature();
return !var->getInterfaceType()->isEscapable(sig);
}
}
return false;
}
UNINTERESTING_FEATURE(DynamicActorIsolation)
UNINTERESTING_FEATURE(NonfrozenEnumExhaustivity)
UNINTERESTING_FEATURE(ClosureIsolation)