Fix a bunch of spelling mistakes :\

src/stub-cache-ia32.cc

 // Copyright 2006-2008 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 376 matching lines @@
     __ CheckAccessGlobalProxy(receiver_reg, scratch, miss_label);
   }
 
   // Stub never generated for non-global objects that require access
   // checks.
   ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
 
   // Perform map transition for the receiver if necessary.
   if ((transition != NULL) && (object->map()->unused_property_fields() == 0)) {
     // The properties must be extended before we can store the value.
-    // We jump to a runtime call that extends the propeties array.
+    // We jump to a runtime call that extends the properties array.
     __ mov(ecx, Immediate(Handle<Map>(transition)));
     Handle<Code> ic(Builtins::builtin(storage_extend));
     __ jmp(ic, RelocInfo::CODE_TARGET);
     return;
   }
 
   if (transition != NULL) {
     // Update the map of the object; no write barrier updating is
     // needed because the map is never in new space.
     __ mov(FieldOperand(receiver_reg, HeapObject::kMapOffset),
@@ skipping 791 matching lines @@
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(CALLBACKS);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal