Correctly compute line numbers in functions from the function constructor.

src/v8natives.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file relies on the fact that the following declarations have been made
 // in runtime.js:
 // var $Object = global.Object;
 // var $Boolean = global.Boolean;
 // var $Number = global.Number;
 // var $Function = global.Function;
@@ skipping 1828 matching lines @@
     }
     // If the formal parameters string include ) - an illegal
     // character - it may make the combined function expression
     // compile. We avoid this problem by checking for this early on.
     if (%_CallFunction(p, ')', StringIndexOfJS) != -1) {
       throw MakeSyntaxError('paren_in_arg_string', []);
     }
     // If the formal parameters include an unbalanced block comment, the
     // function must be rejected. Since JavaScript does not allow nested
     // comments we can include a trailing block comment to catch this.
-    p += '\n/' + '**/';
+    p += '/**/';
   }
   var body = (n > 0) ? ToString(arguments[n - 1]) : '';
   return '(' + function_token + '(' + p + ') {\n' + body + '\n})';
 }
 
 
 function FunctionConstructor(arg1) {  // length == 1
   var source = NewFunctionString(arguments, 'function');
   var global_proxy = %GlobalProxy(global);
   // Compile the string in the constructor and not a helper so that errors
   // appear to come from here.
   var f = %_CallFunction(global_proxy, %CompileString(source, true));
-  %FunctionMarkNameShouldPrintAsAnonymous(f);

[aandrey, 2014/11/10 20:38:18]

you should also update src/generator.js

[Yang, 2014/11/11 09:51:55]

Thanks for catching this!

   return f;
 }
 
 
 // ----------------------------------------------------------------------------
 
 function SetUpFunction() {
   %CheckIsBootstrapping();
 
   %SetCode($Function, FunctionConstructor);
@@ skipping 29 matching lines @@
   }
   if (!IS_SPEC_FUNCTION(method)) {
     throw MakeTypeError('not_iterable', [obj]);
   }
   var iterator = %_CallFunction(obj, method);
   if (!IS_SPEC_OBJECT(iterator)) {
     throw MakeTypeError('not_an_iterator', [iterator]);
   }
   return iterator;
 }