Fixed segfault that occurred only when a timeout was set.

context.cpp

@@ -141,6 +141,7 @@ void Context::assign(Php::Parameters &params)
  *
  *  @param  params  array with one parameter: the code to execute
  *  @return Php::Value
+ *  @throws Php::Exception
  */
 Php::Value Context::evaluate(Php::Parameters &params)
 {
@@ -196,14 +197,11 @@ Php::Value Context::evaluate(Php::Parameters &params)
         // in case we timeout we must terminate execution
         if (status != std::cv_status::timeout) return;
 
-        // create a handle, so the local variable created below falls out of scope
+        // create a handle for the local variable that is created by dereferencing _context
         v8::HandleScope scope(Isolate::get());
 
-        // access the main threads context
-        v8::Local<v8::Context> context(_context);
-
         // terminate execution
-        context->GetIsolate()->TerminateExecution();
+        _context->GetIsolate()->TerminateExecution();
     }));
 
     // execute the script

context.h

@@ -116,6 +116,7 @@ class Context : public Php::Base
      *
      *  @param  params  array with one parameter: the code to execute
      *  @return Php::Value
+     *  @throws Php::Exception
      */
     Php::Value evaluate(Php::Parameters &params);
 };

stack.h

@@ -91,7 +91,7 @@ class Stack
      *
      *  @return v8::Local<T>
      */
-    operator v8::Local<T> () const
+    operator const v8::Local<T> () const
     {
         // create the value
         return v8::Local<T>::New(Isolate::get(), _handle);

tests/test4.php

@@ -2,4 +2,8 @@
 
 $context = new JS\Context();
 
-$context->evaluate("3;", 5);
+for ($i = 1; $i <= 1000000; $i++)
+{
+	if ($i % 1000 == 0) echo($i . PHP_EOL);
+    $context->evaluate("$i;", 1);
+}