TypeRefinementContext::TypeRefinementContext(ASTContext &Ctx, IntroNode Node,
TypeRefinementContext *Parent,
SourceRange SrcRange,
const AvailabilityContext &Info)
: Node(Node), SrcRange(SrcRange), AvailabilityInfo(Info) {
if (Parent) {
assert(SrcRange.isValid());
Parent->addChild(this);
assert(Info.isContainedIn(Parent->getAvailabilityInfo()));
}
Ctx.addDestructorCleanup(Children);
}