Merge branch 'PHP-5.5' into PHP-5.6

Author: nikic

Zend/tests/generators/throw_caught.phpt

@@ -4,6 +4,7 @@ Generator::throw() where the exception is caught in the generator
 <?php
 
 function gen() {
+    echo "before yield\n";
     try {
         yield;
     } catch (RuntimeException $e) {
@@ -18,6 +19,7 @@ var_dump($gen->throw(new RuntimeException('Test')));
 
 ?>
 --EXPECTF--
+before yield
 exception 'RuntimeException' with message 'Test' in %s:%d
 Stack trace:
 #0 {main}

Zend/tests/generators/throw_rethrow.phpt

@@ -4,6 +4,7 @@ Generator::throw() where the generator throws a different exception
 <?php
 
 function gen() {
+    echo "before yield\n";
     try {
         yield;
     } catch (RuntimeException $e) {
@@ -18,6 +19,7 @@ var_dump($gen->throw(new RuntimeException('throw')));
 
 ?>
 --EXPECTF--
+before yield
 Caught: exception 'RuntimeException' with message 'throw' in %s:%d
 Stack trace:
 #0 {main}

Zend/zend_generators.c

@@ -560,6 +560,8 @@ ZEND_METHOD(Generator, throw)
 
 	generator = (zend_generator *) zend_object_store_get_object(getThis() TSRMLS_CC);
 
+	zend_generator_ensure_initialized(generator TSRMLS_CC); 
+
 	if (generator->execute_data) {
 		/* Throw the exception in the context of the generator */
 		zend_execute_data *current_execute_data = EG(current_execute_data);