Added TryCatch::ReThrow method.

test/cctest/test-api.cc

Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index b3c8515fc0d8f720e2750c45f5075c31a8206721..514a22fcf31fdf3fb93c3f147315535326d4ade6 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -8662,3 +8662,29 @@ THREADED_TEST(QuietSignalingNaNs) {
     }
   }
 }
+
+
+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"));
+}