Add a few phpt tests related to temporary cleaning

Zend/tests/temporary_cleaning_001.phpt

@@ -0,0 +1,23 @@
+--TEST--
+Temporary leak on exception
+--FILE--
+<?php
+
+function ops() {
+    throw new Exception();
+}
+
+try {
+	$x = 2;
+	$y = new stdClass;
+	while ($x-- && new stdClass) {
+		$r = [$x] + ($y ? ((array) $x) + [2] : ops());
+		$y = (array) $y;
+	}
+} catch (Exception $e) {
+}
+
+?>
+==DONE==
+--EXPECT--
+==DONE==

Zend/tests/temporary_cleaning_002.phpt

@@ -0,0 +1,32 @@
+--TEST--
+Temporary leak on rope (encapsed string)
+--FILE--
+<?php
+class Obj {
+	function __get($x) {
+		throw new Exception();
+	}
+}
+
+$x = new Obj;
+$y = 0;
+
+try {
+	$r = "$y|$x->x|";
+} catch (Exception $e) {
+}
+
+try {
+	$r = "$x->x|$y|";
+} catch (Exception $e) {
+}
+
+try {
+	$r = "$y|$y|$x->x";
+} catch (Exception $e) {
+}
+
+?>
+==DONE==
+--EXPECT--
+==DONE==

Zend/tests/temporary_cleaning_003.phpt

@@ -0,0 +1,19 @@
+--TEST--
+Fundamental memory leak test on temporaries
+--FILE--
+<?php
+
+function ops() {
+    throw new Exception();
+}
+
+try{
+    $x = 1;
+    $r = [$x] + ops();
+} catch (Exception $e) {
+}
+
+?>
+==DONE==
+--EXPECT--
+==DONE==

Zend/tests/temporary_cleaning_004.phpt

@@ -0,0 +1,44 @@
+--TEST--
+Temporary leak with switch
+--FILE--
+<?php
+
+function ops() {
+    throw new Exception();
+}
+
+$a = [new stdClass, new stdClass];
+switch ($a[0]) {
+	case false:
+	break;
+	default:
+		try {
+			$x = 2;
+			$y = new stdClass;
+			while ($x-- && new stdClass) {
+				$r = [$x] + ($y ? ((array) $x) + [2] : ops());
+				$y = (array) $y;
+			}
+		} catch (Exception $e) {
+		}
+}
+
+try {
+	switch ($a[0]) {
+		case false:
+		break;
+		default:
+			$x = 2;
+			$y = new stdClass;
+			while ($x-- && new stdClass) {
+				$r = [$x] + ($y ? ((array) $x) + [2] : ops());
+				$y = (array) $y;
+			}
+	}
+} catch (Exception $e) {
+}
+
+?>
+==DONE==
+--EXPECT--
+==DONE==

Zend/tests/temporary_cleaning_005.phpt

@@ -0,0 +1,48 @@
+--TEST--
+Temporary leak with foreach
+--FILE--
+<?php
+
+function ops() {
+    throw new Exception();
+}
+
+$a = [new stdClass, new stdClass];
+foreach ([$a, [new stdClass]] as $b) {
+	switch ($b[0]) {
+		case false:
+		break;
+		default:
+			try {
+				$x = 2;
+				$y = new stdClass;
+				while ($x-- && new stdClass) {
+					$r = [$x] + ($y ? ((array) $x) + [2] : ops());
+					$y = (array) $y;
+				}
+			} catch (Exception $e) {
+			}
+	}
+}
+
+foreach ([$a, [new stdClass]] as $b) {
+	try {
+		switch ($b[0]) {
+			case false:
+			break;
+			default:
+				$x = 2;
+				$y = new stdClass;
+				while ($x-- && new stdClass) {
+					$r = [$x] + ($y ? ((array) $x) + [2] : ops());
+					$y = (array) $y;
+				}
+		}
+	} catch (Exception $e) {
+	}
+}
+
+?>
+==DONE==
+--EXPECT--
+==DONE==