Fix some of my earlier typos.

src/x64/ic-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 964 matching lines @@
 // Defined in ic.cc.
 Object* CallIC_Miss(Arguments args);
 
 void CallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) {
   // ----------- S t a t e -------------
   // rsp[0] return address
   // rsp[8] argument argc
   // rsp[16] argument argc - 1
   // ...
   // rsp[argc * 8] argument 1
-  // rsp[(argc + 1) * 8] argument 0 = reciever
+  // rsp[(argc + 1) * 8] argument 0 = receiver
   // rsp[(argc + 2) * 8] function name
   // -----------------------------------
   Label number, non_number, non_string, boolean, probe, miss;
 
   // Get the receiver of the function from the stack; 1 ~ return address.
   __ movq(rdx, Operand(rsp, (argc + 1) * kPointerSize));
   // Get the name of the function from the stack; 2 ~ return address, receiver
   __ movq(rcx, Operand(rsp, (argc + 2) * kPointerSize));
 
   // Probe the stub cache.
@@ skipping 75 matching lines @@
 }
 
 
 void CallIC::GenerateNormal(MacroAssembler* masm, int argc) {
   // ----------- S t a t e -------------
   // rsp[0] return address
   // rsp[8] argument argc
   // rsp[16] argument argc - 1
   // ...
   // rsp[argc * 8] argument 1
-  // rsp[(argc + 1) * 8] argument 0 = reciever
+  // rsp[(argc + 1) * 8] argument 0 = receiver
   // rsp[(argc + 2) * 8] function name
   // -----------------------------------
 
   Label miss, global_object, non_global_object;
 
   // Get the receiver of the function from the stack.
   __ movq(rdx, Operand(rsp, (argc + 1) * kPointerSize));
   // Get the name of the function from the stack.
   __ movq(rcx, Operand(rsp, (argc + 2) * kPointerSize));
 
@@ skipping 292 matching lines @@
 
   // Cache miss: Jump to runtime.
   Generate(masm, ExternalReference(IC_Utility(kStoreIC_Miss)));
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal