diff -r 000000000000 -r 6474c204b198 memory/mozalloc/throw_gcc.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/memory/mozalloc/throw_gcc.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,123 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: sw=4 ts=4 et :
+ */
+/* 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/. */
+
+#ifndef mozilla_throw_gcc_h
+#define mozilla_throw_gcc_h
+
+#include "mozilla/Attributes.h"
+
+#include <stdio.h>              // snprintf
+#include <string.h>             // strerror
+
+// For gcc, we define these inline to abort so that we're absolutely
+// certain that (i) no exceptions are thrown from Gecko; (ii) these
+// errors are always terminal and caught by breakpad.
+
+#include "mozilla/mozalloc_abort.h"
+
+namespace std {
+
+// NB: user code is not supposed to touch the std:: namespace.  We're
+// doing this after careful review because we want to define our own
+// exception throwing semantics.  Don't try this at home!
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_bad_exception(void)
+{
+    mozalloc_abort("fatal: STL threw bad_exception");
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_bad_alloc(void)
+{
+    mozalloc_abort("fatal: STL threw bad_alloc");
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_bad_cast(void)
+{
+    mozalloc_abort("fatal: STL threw bad_cast");
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_bad_typeid(void)
+{
+    mozalloc_abort("fatal: STL threw bad_typeid");
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_logic_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_domain_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_invalid_argument(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_length_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_out_of_range(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_runtime_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_range_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_overflow_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_underflow_error(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_ios_failure(const char* msg)
+{
+    mozalloc_abort(msg);
+}
+
+MOZ_NORETURN MOZ_ALWAYS_INLINE void
+__throw_system_error(int err)
+{
+    char error[128];
+    snprintf(error, sizeof(error)-1,
+             "fatal: STL threw system_error: %s (%d)", strerror(err), err);
+    mozalloc_abort(error);
+}
+
+} // namespace std
+
+#endif  // mozilla_throw_gcc_h