Correctly report octal literals in strict mode when preparsing.

test/cctest/test-parsing.cc

 // 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 1218 matching lines @@
             termination_data[k],
             context_data[i][1]);
         CHECK(length == kProgramSize);
         i::Handle<i::String> source =
             FACTORY->NewStringFromAscii(i::CStrVector(program.start()));
         TestParserSyncWithFlags(source);
       }
     }
   }
 }
+
+
+TEST(PreparserStrictOctal) {
+  // Test that syntax error caused by octal literal is reported correctly as
+  // such (issue 2220).
+  v8::internal::FLAG_min_preparse_length = 1;  // Force preparsing.
+  v8::V8::Initialize();
+  v8::HandleScope scope;
+  v8::Context::Scope context_scope(v8::Context::New());
+  v8::TryCatch try_catch;
+  const char* script =
+      "\"use strict\";       \n"
+      "a = function() {      \n"
+      "  b = function() {    \n"
+      "    01;               \n"
+      "  };                  \n"
+      "};                    \n";
+  v8::Script::Compile(v8::String::New(script));
+  CHECK(try_catch.HasCaught());
+  v8::String::Utf8Value exception(try_catch.Exception());
+  CHECK_EQ("SyntaxError: Octal literals are not allowed in strict mode.",
+           *exception);
+}