Check in codegen test expectations.

test/codegen/expect/language/positional_parameters_type_test_none_multi.js

Index: test/codegen/expect/language/positional_parameters_type_test_none_multi.js
diff --git a/test/codegen/expect/language/positional_parameters_type_test_none_multi.js b/test/codegen/expect/language/positional_parameters_type_test_none_multi.js
new file mode 100644
index 0000000000000000000000000000000000000000..b27b6488b555ef962b2d016962baf4b74f3d1d73
--- /dev/null
+++ b/test/codegen/expect/language/positional_parameters_type_test_none_multi.js
@@ -0,0 +1,49 @@
+dart_library.library('language/positional_parameters_type_test_none_multi', null, /* Imports */[
+  'dart_sdk'
+], function load__positional_parameters_type_test_none_multi(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const positional_parameters_type_test_none_multi = Object.create(null);
+  let num__Tovoid = () => (num__Tovoid = dart.constFn(dart.functionType(dart.void, [core.num], [core.bool])))();
+  let FnTovoid = () => (FnTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [num__Tovoid()])))();
+  let numTovoid = () => (numTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [core.num])))();
+  let numAndboolTovoid = () => (numAndboolTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [core.num, core.bool])))();
+  let num__Tovoid$ = () => (num__Tovoid$ = dart.constFn(dart.definiteFunctionType(dart.void, [core.num], [core.bool])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  positional_parameters_type_test_none_multi.main = function() {
+    let anyFunction = null;
+    function acceptFunNumOptBool(funNumOptBool) {
+    }
+    dart.fn(acceptFunNumOptBool, FnTovoid());
+    ;
+    function funNum(n) {
+    }
+    dart.fn(funNum, numTovoid());
+    ;
+    function funNumBool(n, b) {
+    }
+    dart.fn(funNumBool, numAndboolTovoid());
+    ;
+    function funNumOptBool(n, b) {
+      if (b === void 0) b = true;
+    }
+    dart.fn(funNumOptBool, num__Tovoid$());
+    ;
+    function funNumOptBoolX(n, x) {
+      if (x === void 0) x = true;
+    }
+    dart.fn(funNumOptBoolX, num__Tovoid$());
+    ;
+    anyFunction = funNum;
+    anyFunction = funNumBool;
+    anyFunction = funNumOptBool;
+    anyFunction = funNumOptBoolX;
+    acceptFunNumOptBool(funNumOptBool);
+    acceptFunNumOptBool(funNumOptBoolX);
+  };
+  dart.fn(positional_parameters_type_test_none_multi.main, VoidTodynamic());
+  // Exports:
+  exports.positional_parameters_type_test_none_multi = positional_parameters_type_test_none_multi;
+});