Merge branch 'PHP-5.6'

Conflicts:
	Zend/zend_vm_def.h
	Zend/zend_vm_execute.h

Author: nikic

Zend/tests/bug69599.phpt

@@ -0,0 +1,21 @@
+--TEST--
+Bug #69599: Strange generator+exception+variadic crash
+--FILE--
+<?php
+
+function crash() {
+    sin(...[0]);
+    throw new \Exception();
+    yield;
+}
+
+iterator_to_array(crash());
+
+?>
+--EXPECTF--
+Fatal error: Uncaught exception 'Exception' in %s:%d
+Stack trace:
+#0 [internal function]: crash()
+#1 %s(%d): iterator_to_array(Object(Generator))
+#2 {main}
+  thrown in %s on line %d