diff -r 000000000000 -r 6474c204b198 js/src/jsapi-tests/testErrorCopying.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jsapi-tests/testErrorCopying.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,35 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ *
+ * Tests that the column number of error reports is properly copied over from
+ * other reports when invoked from the C++ api.
+ */
+/* 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/. */
+
+#include "jsapi-tests/tests.h"
+
+static uint32_t column = 0;
+
+BEGIN_TEST(testErrorCopying_columnCopied)
+{
+        //0         1         2
+        //0123456789012345678901234567
+    EXEC("function check() { Object; foo; }");
+
+    JS::RootedValue rval(cx);
+    JS_SetErrorReporter(cx, my_ErrorReporter);
+    CHECK(!JS_CallFunctionName(cx, global, "check", JS::HandleValueArray::empty(),
+                               &rval));
+    CHECK(column == 27);
+    return true;
+}
+
+static void
+my_ErrorReporter(JSContext *cx, const char *message, JSErrorReport *report)
+{
+    column = report->column;
+}
+
+END_TEST(testErrorCopying_columnCopied)