Check in codegen test expectations.

test/codegen/expect/language/do_while_test.js

+dart_library.library('language/do_while_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__do_while_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const do_while_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  do_while_test.Helper = class Helper extends core.Object {
+    static f1(b) {
+      do
+        return 1;
+      while (dart.test(b));
+      return 2;
+    }
+    static f2(b) {
+      do {
+        return 1;
+      } while (dart.test(b));
+      return 2;
+    }
+    static f3(b) {
+      do
+        ;
+      while (dart.test(b));
+      return 2;
+    }
+    static f4(b) {
+      do {
+      } while (dart.test(b));
+      return 2;
+    }
+    static f5(n) {
+      let i = 0;
+      do {
+        i++;
+      } while (i < dart.notNull(n));
+      return i;
+    }
+  };
+  dart.setSignature(do_while_test.Helper, {
+    statics: () => ({
+      f1: dart.definiteFunctionType(core.int, [core.bool]),
+      f2: dart.definiteFunctionType(core.int, [core.bool]),
+      f3: dart.definiteFunctionType(core.int, [core.bool]),
+      f4: dart.definiteFunctionType(core.int, [core.bool]),
+      f5: dart.definiteFunctionType(core.int, [core.int])
+    }),
+    names: ['f1', 'f2', 'f3', 'f4', 'f5']
+  });
+  do_while_test.DoWhileTest = class DoWhileTest extends core.Object {
+    static testMain() {
+      expect$.Expect.equals(1, do_while_test.Helper.f1(true));
+      expect$.Expect.equals(1, do_while_test.Helper.f1(false));
+      expect$.Expect.equals(1, do_while_test.Helper.f2(true));
+      expect$.Expect.equals(1, do_while_test.Helper.f2(false));
+      expect$.Expect.equals(2, do_while_test.Helper.f3(false));
+      expect$.Expect.equals(2, do_while_test.Helper.f4(false));
+      expect$.Expect.equals(1, do_while_test.Helper.f5(-2));
+      expect$.Expect.equals(1, do_while_test.Helper.f5(-1));
+      expect$.Expect.equals(1, do_while_test.Helper.f5(0));
+      expect$.Expect.equals(1, do_while_test.Helper.f5(1));
+      expect$.Expect.equals(2, do_while_test.Helper.f5(2));
+      expect$.Expect.equals(3, do_while_test.Helper.f5(3));
+    }
+  };
+  dart.setSignature(do_while_test.DoWhileTest, {
+    statics: () => ({testMain: dart.definiteFunctionType(dart.dynamic, [])}),
+    names: ['testMain']
+  });
+  do_while_test.main = function() {
+    do_while_test.DoWhileTest.testMain();
+  };
+  dart.fn(do_while_test.main, VoidTodynamic());
+  // Exports:
+  exports.do_while_test = do_while_test;
+});