Fix improved LoadICs for dictionaries with callbacks.

src/x64/ic-x64.cc

Index: src/x64/ic-x64.cc
diff --git a/src/x64/ic-x64.cc b/src/x64/ic-x64.cc
index 4649a420faed7edd1ae264af448c93472c566508..0fd8a400360412eebfb2ffe53fdce3cf19b75671 100644
--- a/src/x64/ic-x64.cc
+++ b/src/x64/ic-x64.cc
@@ -135,7 +135,7 @@ static void GenerateDictionaryLoad(MacroAssembler* masm,
                                                      r0,
                                                      r1);
 
-  // If probing finds an entry in the dictionary, r0 contains the
+  // If probing finds an entry in the dictionary, r1 contains the
   // index into the dictionary. Check that the value is a normal
   // property.
   __ bind(&done);
@@ -178,10 +178,9 @@ static void GenerateDictionaryStore(MacroAssembler* masm,
   //
   // value - holds the value to store and is unchanged.
   //
-  // scratch0 - used for index into the property dictionary and is clobbered.
+  // scratch0 - used during the positive dictionary lookup and is clobbered.
   //
-  // scratch1 - used to hold the capacity of the property dictionary and is
-  //            clobbered.
+  // scratch1 - used for index into the property dictionary and is clobbered.
   Label done;
 
   // Probe the dictionary.