library;
import self as self;
import "dart:core" as core;

static method f() → dynamic sync* {
  const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/regress/issue_29983.dart:7:3: Error: 'sync*' and 'async*' can't return a value.\n  return missing;\n  ^"));
}
static method g() → dynamic sync* 
  const core::_ConstantExpressionError::•().{core::_ConstantExpressionError::_throw}(new core::_CompileTimeError::•("pkg/front_end/testcases/regress/issue_29983.dart:11:14: Error: 'sync*' and 'async*' can't return a value.\ng() sync* => dummy;\n             ^"));
static method h() → dynamic sync* {
  (() → core::String => "return").call();
}
static method main() → dynamic {}