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[6.0] [For PackageCMO] Silently drop @_alwaysEmitIntoClient on a package decl inside a non-serialized type. #73875

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[6.0] [For PackageCMO] Silently drop @_alwaysEmitIntoClient on a package decl inside a non-serialized type. #73875

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6 changes: 5 additions & 1 deletion lib/SIL/IR/SILDeclRef.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -621,7 +621,11 @@ SILLinkage SILDeclRef::getDefinitionLinkage() const {
case Limit::None:
return SILLinkage::Package;
case Limit::AlwaysEmitIntoClient:
return SILLinkage::PackageNonABI;
// Drop the AEIC if the enclosing decl is not effectively public.
// This matches what we do in the `internal` case.
if (isSerialized())
return SILLinkage::PackageNonABI;
else return SILLinkage::Package;
case Limit::OnDemand:
return SILLinkage::Shared;
case Limit::NeverPublic:
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18 changes: 18 additions & 0 deletions test/SILGen/always_emit_into_client_attribute.swift
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Expand Up @@ -58,3 +58,21 @@ public final class C {
@_alwaysEmitIntoClient
deinit {}
}


// We drop AEIC if the containing context does not have effective public
// visibility.
internal struct InternalContext {
// CHECK-LABEL: sil hidden [ossa] @$s33always_emit_into_client_attribute15InternalContextV1vSivgZ
@_alwaysEmitIntoClient
internal static var v : Int { 1 }
}

// We drop AEIC if the containing context does not have effective public
// visibility.
package struct PackageContext {
// CHECK-LABEL: sil package [ossa] @$s33always_emit_into_client_attribute14PackageContextV1vSivgZ

@_alwaysEmitIntoClient
package static var v : Int { 1 }
}