small misspelling fixes.

src/regexp.js

 // Copyright 2012 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 223 matching lines @@
     var matchIndices = %_RegExpExec(this, string, i, lastMatchInfo);
     if (matchIndices === null) {
       this.lastIndex = 0;
       return false;
     }
     lastMatchInfoOverride = null;
     this.lastIndex = lastMatchInfo[CAPTURE1];
     return true;
   } else {
     // Non-global regexp.
-    // Remove irrelevant preceeding '.*' in a non-global test regexp.
+    // Remove irrelevant preceding '.*' in a non-global test regexp.
     // The expression checks whether this.source starts with '.*' and
     // that the third char is not a '?'.
     var regexp = this;
     if (%_StringCharCodeAt(regexp.source, 0) == 46 &&  // '.'
         %_StringCharCodeAt(regexp.source, 1) == 42 &&  // '*'
         %_StringCharCodeAt(regexp.source, 2) != 63) {  // '?'
       regexp = TrimRegExp(regexp);
     }
     %_Log('regexp', 'regexp-exec,%0r,%1S,%2i', [regexp, string, lastIndex]);
     // matchIndices is either null or the lastMatchInfo array.
@@ skipping 221 matching lines @@
 
   for (var i = 1; i < 10; ++i) {
     %DefineOrRedefineAccessorProperty($RegExp, '$' + i,
                                       RegExpMakeCaptureGetter(i), NoOpSetter,
                                       DONT_DELETE);
   }
   %ToFastProperties($RegExp);
 }
 
 SetUpRegExp();