diff --git a/firefox.spec b/firefox.spec
index 1afa544..00598f7 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -163,6 +163,8 @@ Patch406:        mozilla-256180.patch
 Patch407:        mozilla-1348576.patch
 Patch408:        mozilla-1158076-1.patch
 Patch409:        mozilla-1158076-2.patch
+Patch410:        mozilla-1321521.patch
+Patch411:        mozilla-1321521-2.patch
 
 # Debian patches
 Patch500:        mozilla-440908.patch
@@ -338,6 +340,8 @@ cd %{tarballdir}
 %patch407 -p1 -b .1348576
 %patch408 -p1 -b .1158076-1
 %patch409 -p1 -b .1158076-2
+%patch410 -p1 -b .1321521
+%patch411 -p1 -b .1321521-2
 
 # Debian extension patch
 %patch500 -p1 -b .440908
diff --git a/mozilla-1321521-2.patch b/mozilla-1321521-2.patch
new file mode 100644
index 0000000..8aec21e
--- /dev/null
+++ b/mozilla-1321521-2.patch
@@ -0,0 +1,37 @@
+
+# HG changeset patch
+# User Lars T Hansen <lhansen@mozilla.com>
+# Date 1485506824 -3600
+# Node ID 97c45b13a1654bce114ace1de67c5aacb12a75fd
+# Parent  0fc3d0ffe71e44819c6ffaf3a41b781e50504576
+Bug 1321521 - fix include order.  r=me
+
+diff --git a/js/src/jit/none/Architecture-none.h b/js/src/jit/none/Architecture-none.h
+--- a/js/src/jit/none/Architecture-none.h
++++ b/js/src/jit/none/Architecture-none.h
+@@ -2,22 +2,22 @@
+  * vim: set ts=8 sts=4 et sw=4 tw=99:
+  * 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 jit_none_Architecture_none_h
+ #define jit_none_Architecture_none_h
+ 
+-#include "jit/shared/Architecture-shared.h"
+-
+ // JitSpewer.h is included through MacroAssembler implementations for other
+ // platforms, so include it here to avoid inadvertent build bustage.
+ #include "jit/JitSpewer.h"
+ 
++#include "jit/shared/Architecture-shared.h"
++
+ namespace js {
+ namespace jit {
+ 
+ static const bool SupportsSimd = false;
+ static const uint32_t SimdMemoryAlignment = 4; // Make it 4 to avoid a bunch of div-by-zero warnings
+ static const uint32_t WasmStackAlignment = 8;
+ 
+ // Does this architecture support SIMD conversions between Uint32x4 and Float32x4?
+
diff --git a/mozilla-1321521.patch b/mozilla-1321521.patch
new file mode 100644
index 0000000..48ec355
--- /dev/null
+++ b/mozilla-1321521.patch
@@ -0,0 +1,62 @@
+
+# HG changeset patch
+# User Lars T Hansen <lhansen@mozilla.com>
+# Date 1485504866 -3600
+# Node ID 2c924fb664c18fb3c17bdbf6fc4d808b9107b87a
+# Parent  505e39fbc5ed9857ba12c1c12608fc1cca5c43be
+Bug 1321521 - register set adjustments for 'none' platform, r=me
+
+diff --git a/js/src/jit/none/Architecture-none.h b/js/src/jit/none/Architecture-none.h
+--- a/js/src/jit/none/Architecture-none.h
++++ b/js/src/jit/none/Architecture-none.h
+@@ -2,16 +2,18 @@
+  * vim: set ts=8 sts=4 et sw=4 tw=99:
+  * 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 jit_none_Architecture_none_h
+ #define jit_none_Architecture_none_h
+ 
++#include "jit/shared/Architecture-shared.h"
++
+ // JitSpewer.h is included through MacroAssembler implementations for other
+ // platforms, so include it here to avoid inadvertent build bustage.
+ #include "jit/JitSpewer.h"
+ 
+ namespace js {
+ namespace jit {
+ 
+ static const bool SupportsSimd = false;
+@@ -126,16 +128,30 @@ struct FloatRegister
+     bool aliases(FloatRegister) const { MOZ_CRASH(); }
+     uint32_t numAliased() const { MOZ_CRASH(); }
+     void aliased(uint32_t, FloatRegister*) { MOZ_CRASH(); }
+     bool equiv(FloatRegister) const { MOZ_CRASH(); }
+     uint32_t size() const { MOZ_CRASH(); }
+     uint32_t numAlignedAliased() const { MOZ_CRASH(); }
+     void alignedAliased(uint32_t, FloatRegister*) { MOZ_CRASH(); }
+     SetType alignedOrDominatedAliasedSet() const { MOZ_CRASH(); }
++
++    static constexpr RegTypeName DefaultType = RegTypeName::Float64;
++
++    template <RegTypeName = DefaultType>
++    static SetType LiveAsIndexableSet(SetType s) {
++        return SetType(0);
++    }
++
++    template <RegTypeName Name = DefaultType>
++    static SetType AllocatableAsIndexableSet(SetType s) {
++        static_assert(Name != RegTypeName::Any, "Allocatable set are not iterable");
++        return SetType(0);
++    }
++
+     template <typename T> static T ReduceSetForPush(T) { MOZ_CRASH(); }
+     uint32_t getRegisterDumpOffsetInBytes() { MOZ_CRASH(); }
+     static uint32_t SetSize(SetType x) { MOZ_CRASH(); }
+     static Code FromName(const char* name) { MOZ_CRASH(); }
+ 
+     // This is used in static initializers, so produce a bogus value instead of crashing.
+     static uint32_t GetPushSizeInBytes(const TypedRegisterSet<FloatRegister>&) { return 0; }
+ };
+