Correctly compute line numbers in functions from the function constructor.

src/v8natives.js

Index: src/v8natives.js
diff --git a/src/v8natives.js b/src/v8natives.js
index 6215ab09681f9becca17d073c7ac52406b9cf60c..765c1e6c996da0421d8068c4046d71c9b5db53ea 100644
--- a/src/v8natives.js
+++ b/src/v8natives.js
@@ -175,7 +175,7 @@ function GlobalEval(x) {
 
   var global_proxy = %GlobalProxy(global);
 
-  var f = %CompileString(x, false);
+  var f = %CompileString(x, false, 0);
   if (!IS_FUNCTION(f)) return f;
 
   return %_CallFunction(global_proxy, f);
@@ -1829,7 +1829,7 @@ function FunctionBind(this_arg) { // Length is 1.
 }
 
 
-function NewFunctionString(arguments, function_token) {
+function NewFunctionFromString(arguments, function_token) {
   var n = arguments.length;
   var p = '';
   if (n > 1) {
@@ -1846,21 +1846,20 @@ function NewFunctionString(arguments, function_token) {
     // 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 += '\n\x2f**\x2f';
   }
   var body = (n > 0) ? ToString(arguments[n - 1]) : '';
-  return '(' + function_token + '(' + p + ') {\n' + body + '\n})';
+  var head = '(' + function_token + '(' + p + ') {\n';
+  var src = head + body + '\n})';
+  var global_proxy = %GlobalProxy(global);
+  var f = %_CallFunction(global_proxy, %CompileString(src, true, head.length));
+  %FunctionMarkNameShouldPrintAsAnonymous(f);
+  return f;
 }
 
 
 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);
-  return f;
+  return NewFunctionFromString(arguments, 'function');
 }