test($log): fix up to work with IE8

On Safari 9.0.2, you are not allowed to write to `sourceUrl` or `line`
on a native Error object.

This commit uses a custom error instead.

CHANGELOG.md

@@ -1,9 +1,24 @@
+<a name="1.2.32"></a>
+# 1.2.32 alternation-intention (2016-10-10)
+
+This release reverts the fix in 1.2.31 and provides an alternative fix that doesn't break Angular Material.
+
+## Reverts
+
+- **input:** ensure that hidden input values are correct after history back
+  ([ed44dd065](https://github.com/angular/angular.js/commit/ed44dd0659f346ced78a112e4a2b30d3af4fd572))
+
+## Bug Fixes
+- **$compile:** ensure that hidden input values are correct after history back
+  ([b8a0ecdd6](https://github.com/angular/angular.js/commit/b8a0ecdd6189fb111734eb5b6d4d473d0dcf4c36))
+
+
 <a name="1.2.31"></a>
 # 1.2.31 barking-moustache (2016-10-10)
 
 ## Bug Fixes
 - **input:** ensure that hidden input values are correct after history back
-  ([7ec663fc](https://github.com/angular/angular.js/commit/7ec663fc708aa7a9a9ce62d2306f24d7a733a86d)
+  ([7ec663fc](https://github.com/angular/angular.js/commit/7ec663fc708aa7a9a9ce62d2306f24d7a733a86d))
 
 
 <a name="1.2.30"></a>

test/ng/logSpec.js

@@ -144,16 +144,29 @@ describe('$log', function() {
   describe('$log.error', function() {
     var e, $log, errorArgs;
 
-    beforeEach(function() {
-      e = new Error('');
-      e.message = undefined;
-      e.sourceURL = undefined;
-      e.line = undefined;
-      e.stack = undefined;
+    function TestErrorPrototype() {}
+    TestErrorPrototype.prototype = Error.prototype;
 
-      $log = new $LogProvider().$get[1]({console:{error:function() {
-        errorArgs = [].slice.call(arguments, 0);
-      }}});
+    function TestError() {
+      Error.prototype.constructor.apply(this, arguments);
+      this.message = undefined;
+      this.sourceURL = undefined;
+      this.line = undefined;
+      this.stack = undefined;
+    }
+    TestError.prototype = new TestErrorPrototype();
+    TestError.prototype.constructor = TestError;
+
+    beforeEach(function() {
+      e = new TestError('');
+      var mockWindow = {
+        console: {
+          error: function() {
+            errorArgs = [].slice.call(arguments, 0);
+          }
+        }
+      };
+      $log = new $LogProvider().$get[1](mockWindow);
     });