Bug 1086527 - Make sure PluralForm.get can be called from strict mode. r=Mossop

intl/locale/PluralForm.jsm

@@ -135,7 +135,7 @@ this.PluralForm = {
       // Check for array out of bounds or empty strings
       if ((ret == undefined) || (ret == "")) {
         // Report the caller to help figure out who is causing badness
-        let caller = PluralForm.get.caller ? PluralForm.get.caller.name : "top";
+        let caller = Components.stack.caller ? Components.stack.caller.name : "top";
 
         // Display a message in the error console
         log(["Index #", index, " of '", aWords, "' for value ", aNum,

intl/locale/tests/unit/test_bug1086527.js

@@ -0,0 +1,20 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/**
+ * This unit test makes sure that PluralForm.get can be called from strict mode
+ */
+
+Components.utils.import("resource://gre/modules/PluralForm.jsm");
+
+delete PluralForm.numForms;
+delete PluralForm.get;
+[PluralForm.get, PluralForm.numForms] = PluralForm.makeGetter(9);
+
+function run_test() {
+  "use strict";
+
+  do_check_eq(3, PluralForm.numForms());
+  do_check_eq("one", PluralForm.get(5, 'one;many'));
+}

intl/locale/tests/unit/xpcshell.ini

@@ -13,6 +13,7 @@ skip-if = toolkit == "windows" || toolkit == "cocoa"
 [test_collation_mac_icu.js]
 run-if = toolkit == "cocoa"
 
+[test_bug1086527.js]
 [test_pluralForm.js]
 [test_pluralForm_english.js]
 [test_pluralForm_makeGetter.js]