--- 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; }
 };