Fix a bunch of spelling mistakes :\

src/assembler-ia32.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 1972 matching lines @@
 void Assembler::WriteRecordedPositions() {
   // Write the statement position if it is different from what was written last
   // time.
   if (current_statement_position_ != written_statement_position_) {
     EnsureSpace ensure_space(this);
     RecordRelocInfo(RelocInfo::STATEMENT_POSITION, current_statement_position_);
     written_statement_position_ = current_statement_position_;
   }
 
   // Write the position if it is different from what was written last time and
-  // also diferent from the written statement position.
+  // also different from the written statement position.
   if (current_position_ != written_position_ &&
       current_position_ != written_statement_position_) {
     EnsureSpace ensure_space(this);
     RecordRelocInfo(RelocInfo::POSITION, current_position_);
     written_position_ = current_position_;
   }
 }
 
 
 void Assembler::GrowBuffer() {
@@ skipping 136 matching lines @@
   ASSERT(bound_label.is_bound());
   ASSERT(0 <= position);
   ASSERT(position + static_cast<int>(sizeof(uint32_t)) <= pc_offset());
   ASSERT(long_at(position) == 0);  // only initialize once!
 
   uint32_t label_loc = reinterpret_cast<uint32_t>(addr_at(bound_label.pos()));
   long_at_put(position, label_loc);
 }
 
 } }  // namespace v8::internal