Revert "Revert "Upgrade to 5.0.71.48"" DO NOT MERGE

This reverts commit f2e3994fa5148cc3d9946666f0b0596290192b0e,
and updates the x64 makefile properly so it doesn't break that
build.

FPIIM-449

Change-Id: Ib83e35bfbae6af627451c926a9650ec57c045605
(cherry picked from commit 109988c7ccb6f3fd1a58574fa3dfb88beaef6632)
diff --git a/test/unittests/compiler/node-test-utils.h b/test/unittests/compiler/node-test-utils.h
index 8592f30..03f2a3b 100644
--- a/test/unittests/compiler/node-test-utils.h
+++ b/test/unittests/compiler/node-test-utils.h
@@ -17,11 +17,8 @@
 template <typename T>
 class Handle;
 class HeapObject;
-template <class>
-class TypeImpl;
+class Type;
 enum TypeofMode : int;
-struct ZoneTypeConfig;
-typedef TypeImpl<ZoneTypeConfig> Type;
 
 namespace compiler {
 
@@ -70,6 +67,10 @@
 Matcher<Node*> IsReturn(const Matcher<Node*>& value_matcher,
                         const Matcher<Node*>& effect_matcher,
                         const Matcher<Node*>& control_matcher);
+Matcher<Node*> IsReturn2(const Matcher<Node*>& value_matcher,
+                         const Matcher<Node*>& value2_matcher,
+                         const Matcher<Node*>& effect_matcher,
+                         const Matcher<Node*>& control_matcher);
 Matcher<Node*> IsTerminate(const Matcher<Node*>& effect_matcher,
                            const Matcher<Node*>& control_matcher);
 Matcher<Node*> IsExternalConstant(
@@ -246,6 +247,7 @@
                               const Matcher<Node*>& value_matcher,
                               const Matcher<Node*>& effect_matcher,
                               const Matcher<Node*>& control_matcher);
+Matcher<Node*> IsObjectIsReceiver(const Matcher<Node*>& value_matcher);
 Matcher<Node*> IsObjectIsSmi(const Matcher<Node*>& value_matcher);
 
 Matcher<Node*> IsLoad(const Matcher<LoadRepresentation>& rep_matcher,