Merge branch 'PHP-5.5'

Author: nikic

Zend/tests/generators/bug65035.phpt

@@ -0,0 +1,20 @@
+--TEST--
+Bug #65035: yield / exit segfault
+--FILE--
+<?php
+
+function gen() {
+    fn();
+    yield;
+}
+
+function fn() {
+    exit('Done');
+}
+
+$gen = gen();
+$gen->current();
+
+?>
+--EXPECT--
+Done

Zend/tests/generators/bug65161.phpt

@@ -0,0 +1,20 @@
+--TEST--
+Bug #65161: Generator + autoload + syntax error = segfault
+--FILE--
+<?php
+
+function autoload() {
+    foo();
+}
+spl_autoload_register('autoload');
+
+function testGenerator() {
+    new SyntaxError('param');
+    yield;
+}
+
+foreach (testGenerator() as $i);
+
+?>
+--EXPECTF--
+Fatal error: Call to undefined function foo() in %s on line %d

Zend/zend_generators.c

@@ -55,6 +55,12 @@ ZEND_API void zend_generator_close(zend_generator *generator, zend_bool finished
 			zval_ptr_dtor(&execute_data->current_this);
 		}
 
+		/* A fatal error / die occured during the generator execution. Trying to clean
+		 * up the stack may not be safe in this case. */
+		if (CG(unclean_shutdown)) {
+			return;
+		}
+
 		/* If the generator is closed before it can finish execution (reach
 		 * a return statement) we have to free loop variables manually, as
 		 * we don't know whether the SWITCH_FREE / FREE opcodes have run */