Allow lazy compilation (and thus optimisation) of functions inside eval.

src/preparser.h

Index: src/preparser.h
diff --git a/src/preparser.h b/src/preparser.h
index 13261f7a5b945f6b278a5ac9d450557bdce3e168..ad52d74bbd8082cb3f4c4a4e390f6fc7aa0ee7ab 100644
--- a/src/preparser.h
+++ b/src/preparser.h
@@ -150,11 +150,11 @@ class PreParser {
 
   // Parses a single function literal, from the opening parentheses before
   // parameters to the closing brace after the body.
-  // Returns a FunctionEntry describing the body of the funciton in enough
+  // Returns a FunctionEntry describing the body of the function in enough
   // detail that it can be lazily compiled.
   // The scanner is expected to have matched the "function" keyword and
   // parameters, and have consumed the initial '{'.
-  // At return, unless an error occured, the scanner is positioned before the
+  // At return, unless an error occurred, the scanner is positioned before the
   // the final '}'.
   PreParseResult PreParseLazyFunction(i::LanguageMode mode,
                                       i::ParserRecorder* log);