File: 0077-issue-46469.swift

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// RUN: %target-swift-frontend %s -emit-ir

// https://github.com/apple/swift/issues/46469

protocol DataSourceItem { }

protocol TableDataSourceItem : DataSourceItem { }


class DataSource<T : DataSourceItem> { }

class TableDataSource<T : TableDataSourceItem>: DataSource<T> { }


class DataSourceBuilder<T : TableDataSourceItem, U : TableDataSource<T>> { }

class TableDataSourceBuilder<T : TableDataSourceItem, U : TableDataSource<T>> : DataSourceBuilder<T, U> { }


enum MyItem: TableDataSourceItem { }

class MyBuilder : TableDataSourceBuilder<MyItem, TableDataSource<MyItem>> { }

let builder = MyBuilder()