Turn Function.prototype.bind into a hydrogen stub optimized for the common case

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index abb0c9622ca0c1bfd067f3d61477d6f8dd63bc9e..3f1678205de5a3a3e3f0fb087e061f3805dc4a58 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -65,6 +65,7 @@ namespace internal {
   V(FastArrayPush)                          \
   V(FastCloneRegExp)                        \
   V(FastCloneShallowArray)                  \
+  V(FastFunctionBind)                       \
   V(FastNewClosure)                         \
   V(FastNewContext)                         \
   V(FastNewObject)                          \
@@ -1268,10 +1269,18 @@ class FastArrayPushStub : public HydrogenCodeStub {
   explicit FastArrayPushStub(Isolate* isolate) : HydrogenCodeStub(isolate) {}
 
  private:
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(FastArrayPush);
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(VarArgFunction);
   DEFINE_HYDROGEN_CODE_STUB(FastArrayPush, HydrogenCodeStub);
 };
 
+class FastFunctionBindStub : public HydrogenCodeStub {
+ public:
+  explicit FastFunctionBindStub(Isolate* isolate) : HydrogenCodeStub(isolate) {}
+
+ private:
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(VarArgFunction);
+  DEFINE_HYDROGEN_CODE_STUB(FastFunctionBind, HydrogenCodeStub);
+};
 
 enum AllocationSiteOverrideMode {
   DONT_OVERRIDE,