deps: fix build with libc++ 3.8.0

Make sure the map allocators are of the same type. This fixes
building Node.js 4.x on libc++ 3.8.0 (for instance FreeBSD 11).

Upstream bug/patch: https://bugs.freebsd.org/208467

PR-URL: #9763
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>

deps/v8/src/compiler/instruction.h

@@ -1012,7 +1012,7 @@ class InstructionBlock final : public ZoneObject {
 
 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;

deps/v8/src/compiler/js-type-feedback.h

@@ -33,9 +33,10 @@ class JSTypeFeedbackTable : public ZoneObject {
  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_;

deps/v8/src/zone-containers.h

@@ -114,12 +114,12 @@ class ZoneSet : public std::set<K, Compare, zone_allocator<K>> {
 // 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)) {}
 };