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Sema: Inherited initializers inherit the @_versioned attribute

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Fixes <rdar://problem/34398148>.
This commit is contained in:
Slava Pestov
2017-09-16 00:22:17 -07:00
parent c3300bc53b
commit f3e9aa35a7
3 changed files with 26 additions and 2 deletions
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7
lib/Sema/CodeSynthesis.cpp
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@@ -2109,6 +2109,12 @@ swift::createDesignatedInitOverride(TypeChecker &tc,
access = std::min(access, superclassCtor->getFormalAccess());
ctor->setAccess(access);
// Inherit the @_versioned attribute.
if (superclassCtor->getAttrs().hasAttribute<VersionedAttr>()) {
auto *clonedAttr = new (ctx) VersionedAttr(/*implicit=*/true);
ctor->getAttrs().add(clonedAttr);
}
// Make sure the constructor is only as available as its superclass's
// constructor.
AvailabilityInference::applyInferredAvailableAttrs(ctor, superclassCtor, ctx);
@@ -2123,7 +2129,6 @@ swift::createDesignatedInitOverride(TypeChecker &tc,
if (auto objcAttr = superclassCtor->getAttrs().getAttribute<ObjCAttr>()) {
if (objcAttr->hasName()) {
auto *clonedAttr = objcAttr->clone(ctx);
// Set it to implicit to disable printing it for SIL.
clonedAttr->setImplicit(true);
ctor->getAttrs().add(clonedAttr);
}