--- www/node/files/patch-deps_v8_src_compiler_instruction.h	(nonexistent)
+++ www/node/files/patch-deps_v8_src_compiler_instruction.h	(working copy)
@@ -0,0 +1,11 @@ 
+--- deps/v8/src/compiler/instruction.h.orig	2016-03-16 21:22:58.000000000 +0100
++++ deps/v8/src/compiler/instruction.h	2016-03-24 23:27:23.004854000 +0100
+@@ -1011,7 +1011,7 @@ class InstructionBlock final : public Zo
+ 
+ typedef ZoneDeque<Constant> ConstantDeque;
+ typedef std::map<int, Constant, std::less<int>,
+-                 zone_allocator<std::pair<int, Constant> > > ConstantMap;
++                 zone_allocator<std::pair<const int, Constant> > > ConstantMap;
+ 
+ typedef ZoneDeque<Instruction*> InstructionDeque;
+ typedef ZoneDeque<ReferenceMap*> ReferenceMapDeque;
--- www/node/files/patch-deps_v8_src_compiler_js-type-feedback.h	(nonexistent)
+++ www/node/files/patch-deps_v8_src_compiler_js-type-feedback.h	(working copy)
@@ -0,0 +1,15 @@ 
+--- deps/v8/src/compiler/js-type-feedback.h.orig	2016-03-16 21:22:58.000000000 +0100
++++ deps/v8/src/compiler/js-type-feedback.h	2016-03-24 22:54:54.529827000 +0100
+@@ -33,9 +33,10 @@ class JSTypeFeedbackTable : public ZoneO
+  private:
+   friend class JSTypeFeedbackSpecializer;
+   typedef std::map<NodeId, TypeFeedbackId, std::less<NodeId>,
+-                   zone_allocator<TypeFeedbackId> > TypeFeedbackIdMap;
++                   zone_allocator<std::pair<const NodeId, TypeFeedbackId> > >
++      TypeFeedbackIdMap;
+   typedef std::map<NodeId, FeedbackVectorICSlot, std::less<NodeId>,
+-                   zone_allocator<FeedbackVectorICSlot> >
++                   zone_allocator<std::pair<const NodeId, FeedbackVectorICSlot> > >
+       FeedbackVectorICSlotMap;
+ 
+   TypeFeedbackIdMap type_feedback_id_map_;
--- www/node/files/patch-deps_v8_src_zone-containers.h	(nonexistent)
+++ www/node/files/patch-deps_v8_src_zone-containers.h	(working copy)
@@ -0,0 +1,18 @@ 
+--- deps/v8/src/zone-containers.h.orig	2016-03-16 21:22:58.000000000 +0100
++++ deps/v8/src/zone-containers.h	2016-03-24 23:34:37.741885000 +0100
+@@ -114,12 +114,12 @@ class ZoneSet : public std::set<K, Compa
+ // a zone allocator.
+ template <typename K, typename V, typename Compare = std::less<K>>
+ class ZoneMap
+-    : public std::map<K, V, Compare, zone_allocator<std::pair<K, V>>> {
++    : public std::map<K, V, Compare, zone_allocator<std::pair<const K, V>>> {
+  public:
+   // Constructs an empty map.
+   explicit ZoneMap(Zone* zone)
+-      : std::map<K, V, Compare, zone_allocator<std::pair<K, V>>>(
+-            Compare(), zone_allocator<std::pair<K, V>>(zone)) {}
++      : std::map<K, V, Compare, zone_allocator<std::pair<const K, V>>>(
++            Compare(), zone_allocator<std::pair<const K, V>>(zone)) {}
+ };
+ 
+