Check in codegen test expectations.

test/codegen/expect/language/regress_21795_test.js

Index: test/codegen/expect/language/regress_21795_test.js
diff --git a/test/codegen/expect/language/regress_21795_test.js b/test/codegen/expect/language/regress_21795_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..4e4874ced9b3841f93e56306bc031787fe627565
--- /dev/null
+++ b/test/codegen/expect/language/regress_21795_test.js
@@ -0,0 +1,61 @@
+dart_library.library('language/regress_21795_test', null, /* Imports */[
+  'dart_sdk'
+], function load__regress_21795_test(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const regress_21795_test = Object.create(null);
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  regress_21795_test.foo = function(t) {
+    try {
+      if (dart.equals(t, 123)) dart.throw(42);
+    } finally {
+    }
+  };
+  dart.fn(regress_21795_test.foo, dynamicTodynamic());
+  regress_21795_test.bar = function() {
+    try {
+      return 42;
+    } finally {
+    }
+  };
+  dart.fn(regress_21795_test.bar, VoidTodynamic());
+  regress_21795_test.A = class A extends core.Object {
+    test(t) {
+      try {
+        regress_21795_test.foo(t);
+      } finally {
+        if (dart.equals(t, 0)) {
+          try {
+          } catch (err) {
+            let st = dart.stackTrace(err);
+          }
+
+        }
+      }
+    }
+  };
+  dart.setSignature(regress_21795_test.A, {
+    methods: () => ({test: dart.definiteFunctionType(dart.dynamic, [dart.dynamic])})
+  });
+  regress_21795_test.main = function() {
+    let a = new regress_21795_test.A();
+    for (let i = 0; i < 10000; ++i)
+      a.test(0);
+    try {
+      a.test(123);
+    } catch (e) {
+      let s = dart.stackTrace(e);
+      if (s.toString()[dartx.indexOf]("foo") == -1) {
+        core.print(s);
+        dart.throw("Expected foo in stacktrace!");
+      }
+    }
+
+  };
+  dart.fn(regress_21795_test.main, VoidTodynamic());
+  // Exports:
+  exports.regress_21795_test = regress_21795_test;
+});