Prevent segfault on undefined inline runtime call.

R=mstarzinger@chromium.org
BUG=v8:2286

Review URL: https://chromiumcodereview.appspot.com/10828282

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12306 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/parser.cc

@@ -4804,6 +4804,13 @@ Expression* Parser::ParseV8Intrinsic(bool* ok) {
     return NULL;
   }
 
+  // Check that the function is defined if it's an inline runtime call.
+  if (function == NULL && name->Get(0) == '_') {
+    ReportMessage("not_defined", Vector<Handle<String> >(&name, 1));
+    *ok = false;
+    return NULL;
+  }
+
   // We have a valid intrinsics call or a call to a builtin.
   return factory()->NewCallRuntime(name, function, args);
 }

test/mjsunit/regress-2286.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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax
+
+assertThrows("f()", ReferenceError);
+assertThrows("%f()", TypeError);
+assertThrows("%_f()", SyntaxError);