Added TryCatch::ReThrow method.

test/cctest/test-api.cc

 // Copyright 2007-2009 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 8644 matching lines @@
     double stored_date = date->NumberValue();
     if (!IsNaN(expected_stored_date)) {
       CHECK_EQ(expected_stored_date, stored_date);
     } else {
       uint64_t stored_bits = DoubleToBits(stored_date);
       // Check if quiet nan (bits 51..62 all set).
       CHECK_EQ(0xfff, static_cast<int>((stored_bits >> 51) & 0xfff));
     }
   }
 }
+
+
+static v8::Handle<Value> SpaghettiIncident(const v8::Arguments& args) {
+  v8::HandleScope scope;
+  v8::TryCatch tc;
+  v8::Handle<v8::String> str = args[0]->ToString();
+  if (tc.HasCaught())
+    return tc.ReThrow();
+  return v8::Undefined();
+}
+
+
+// Test that a stack overflow can be propagated down through a spaghetti
+// stack using ReThrow.
+THREADED_TEST(SpaghettiStackOverflow) {
+  v8::HandleScope scope;
+  LocalContext context;
+  context->Global()->Set(
+      v8::String::New("s"),
+      v8::FunctionTemplate::New(SpaghettiIncident)->GetFunction());
+  v8::TryCatch try_catch;
+  CompileRun("var o = {toString: function () {return s(o);}}; s(o);");
+  CHECK(try_catch.HasCaught());
+  v8::String::Utf8Value value(try_catch.Exception());
+  CHECK_NE(0, strstr(*value, "RangeError"));
+}