Fix a bunch of spelling mistakes :\

src/regexp-macro-assembler-ia32.cc

 // Copyright 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 714 matching lines @@
     __ mov(eax, Immediate(SUCCESS));
   }
   // Exit and return eax
   __ bind(&exit_label_);
   // Skip esp past regexp registers.
   __ lea(esp, Operand(ebp, kBackup_ebx));
   // Restore callee-save registers.
   __ pop(ebx);
   __ pop(edi);
   __ pop(esi);
-  // Exit function frame, restore previus one.
+  // Exit function frame, restore previous one.
   __ pop(ebp);
   __ ret(0);
 
   // Backtrack code (branch target for conditional backtracks).
   if (backtrack_label_.is_linked()) {
     __ bind(&backtrack_label_);
     Backtrack();
   }
 
   Label exit_with_exception;
@@ skipping 463 matching lines @@
 
 
 void RegExpMacroAssemblerIA32::LoadConstantBufferAddress(Register reg,
                                                          ArraySlice* buffer) {
   __ mov(reg, buffer->array());
   __ add(Operand(reg), Immediate(buffer->base_offset()));
 }
 
 #undef __
 }}  // namespace v8::internal