library test;
import self as self;
import "dart:core" as core;
import "dart:async" as asy;

typedef IntToInt = (core::int) → core::int;
static method main() → dynamic {
  function a() → (core::int) → core::int {
    return (core::int x) → core::int => x;
  }
  function b() → asy::Future<(core::int) → core::int> /* originally async */ {
    final asy::Completer<(core::int) → core::int> :async_completer = asy::Completer::sync<(core::int) → core::int>();
    asy::FutureOr<(core::int) → core::int> :return_value;
    dynamic :async_stack_trace;
    dynamic :async_op_then;
    dynamic :async_op_error;
    dynamic :await_jump_var = 0;
    dynamic :await_ctx_var;
    function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
      try {
        #L1:
        {
          :return_value = let<BottomType> _ = null in let final dynamic #t1 = let<BottomType> _ = null in invalid-expression "pkg/front_end/testcases/inference/local_return_and_yield.dart:19:36: Error: A value of type '(dynamic) \u8594 dynamic' can't be assigned to a variable of type 'dart.async::FutureOr<(dart.core::int) \u8594 dart.core::int>'.
Try changing the type of the left hand side, or casting the right hand side to 'dart.async::FutureOr<(dart.core::int) \u8594 dart.core::int>'.
    return /*@returnType=dynamic*/ (/*@type=dynamic*/ x) => x;
                                   ^" in let final (dynamic) → dynamic #t2 = (dynamic x) → dynamic => x in null;
          break #L1;
        }
        asy::_completeOnAsyncReturn(:async_completer, :return_value);
        return;
      }
      on dynamic catch(dynamic :exception, dynamic :stack_trace) {
        :async_completer.{asy::Completer::completeError}(:exception, :stack_trace);
      }
    :async_stack_trace = asy::_asyncStackTraceHelper(:async_op);
    :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
    :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
    asy::Future::microtask<dynamic>(:async_op);
    return :async_completer.{asy::Completer::future};
  }
  function c() → core::Iterable<(core::int) → core::int> /* originally sync* */ {
    dynamic :await_jump_var = 0;
    dynamic :await_ctx_var;
    function :sync_op(core::_SyncIterator<(core::int) → core::int> :iterator) → core::bool yielding {
      {
        {
          :iterator.{core::_SyncIterator::_current} = (core::int x) → core::int => x;
          [yield] true;
        }
      }
      return false;
    }
    return new core::_SyncIterable::•<(core::int) → core::int>(:sync_op);
  }
  function d() → core::Iterable<(core::int) → core::int> /* originally sync* */ {
    dynamic :await_jump_var = 0;
    dynamic :await_ctx_var;
    function :sync_op(core::_SyncIterator<(core::int) → core::int> :iterator) → core::bool yielding {
      {
        {
          :iterator.{core::_SyncIterator::_yieldEachIterable} = <(core::int) → core::int>[(core::int x) → core::int => x];
          [yield] true;
        }
      }
      return false;
    }
    return new core::_SyncIterable::•<(core::int) → core::int>(:sync_op);
  }
  function e() → asy::Stream<(core::int) → core::int> /* originally async* */ {
    asy::_AsyncStarStreamController<(core::int) → core::int> :controller;
    dynamic :controller_stream;
    dynamic :async_stack_trace;
    dynamic :async_op_then;
    dynamic :async_op_error;
    dynamic :await_jump_var = 0;
    dynamic :await_ctx_var;
    dynamic :saved_try_context_var0;
    dynamic :saved_try_context_var1;
    function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
      try
        try {
          #L2:
          {
            if(:controller.{asy::_AsyncStarStreamController::add}((core::int x) → core::int => x))
              return null;
            else
              [yield] null;
          }
          return;
        }
        on dynamic catch(dynamic :exception, dynamic :stack_trace) {
          :controller.{asy::_AsyncStarStreamController::addError}(:exception, :stack_trace);
        }
      finally {
        :controller.{asy::_AsyncStarStreamController::close}();
      }
    :async_stack_trace = asy::_asyncStackTraceHelper(:async_op);
    :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
    :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
    :controller = new asy::_AsyncStarStreamController::•<(core::int) → core::int>(:async_op);
    :controller_stream = :controller.{asy::_AsyncStarStreamController::stream};
    return :controller_stream;
  }
  function f() → asy::Stream<(core::int) → core::int> /* originally async* */ {
    asy::_AsyncStarStreamController<(core::int) → core::int> :controller;
    dynamic :controller_stream;
    dynamic :async_stack_trace;
    dynamic :async_op_then;
    dynamic :async_op_error;
    dynamic :await_jump_var = 0;
    dynamic :await_ctx_var;
    dynamic :saved_try_context_var0;
    dynamic :saved_try_context_var1;
    function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
      try
        try {
          #L3:
          {
            if(:controller.{asy::_AsyncStarStreamController::addStream}(asy::Stream::fromIterable<(core::int) → core::int>(<(core::int) → core::int>[(core::int x) → core::int => x])))
              return null;
            else
              [yield] null;
          }
          return;
        }
        on dynamic catch(dynamic :exception, dynamic :stack_trace) {
          :controller.{asy::_AsyncStarStreamController::addError}(:exception, :stack_trace);
        }
      finally {
        :controller.{asy::_AsyncStarStreamController::close}();
      }
    :async_stack_trace = asy::_asyncStackTraceHelper(:async_op);
    :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
    :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
    :controller = new asy::_AsyncStarStreamController::•<(core::int) → core::int>(:async_op);
    :controller_stream = :controller.{asy::_AsyncStarStreamController::stream};
    return :controller_stream;
  }
}