Merge branch 'PHP-5.4'

* PHP-5.4:
  Fixed Bug #62005 (unexpected behavior when incrementally assigning to a member of a null object)
  fix stack overflow in php_intlog10abs()
  fix stack overflow in php_intlog10abs()

Author: laruence

Zend/tests/bug62005.phpt

@@ -0,0 +1,15 @@
+--TEST--
+Bug #62005 (unexpected behavior when incrementally assigning to a member of a null object)
+--FILE--
+<?php
+function add_points($player, $points) {
+    $player->energy += $points;
+    print_r($player);
+}
+add_points(NULL, 2);
+--EXPECTF--
+Warning: Creating default object from empty value in %sbug62005.php on line %d
+stdClass Object
+(
+    [energy] => 2
+)

Zend/zend_execute.c

@@ -554,11 +554,10 @@ static inline void make_real_object(zval **object_ptr TSRMLS_DC)
 		|| (Z_TYPE_PP(object_ptr) == IS_BOOL && Z_LVAL_PP(object_ptr) == 0)
 		|| (Z_TYPE_PP(object_ptr) == IS_STRING && Z_STRLEN_PP(object_ptr) == 0)
 	) {
-		zend_error(E_WARNING, "Creating default object from empty value");
-
 		SEPARATE_ZVAL_IF_NOT_REF(object_ptr);
 		zval_dtor(*object_ptr);
 		object_init(*object_ptr);
+		zend_error(E_WARNING, "Creating default object from empty value");
 	}
 }