Implemented RFC: Replace "Missing argument" warning with "Too few arguments" exception

Squashed commit of the following:

commit 8b45fa2acb8cd92542a39e1e4720fe1f4fabc26c
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Jun 16 01:52:50 2016 +0300

    Separate slow path of ZEND_RECV into a cold function.

commit 9e18895ee59c64c93a96b1ba3061355c4663e962
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Wed Jun 15 23:26:28 2016 +0300

    Required argument can't be IS_UNDEF anymore.

commit 662db66e3943d4455c65e4f987bb54abf724ecb2
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue May 31 17:14:50 2016 +0300

    Replace "Missing argument" warning by "Too few arguments" exception.

6 files changed, 56 insertions, 67 deletions

diff --git a/ext/reflection/tests/007.phpt b/ext/reflection/tests/007.phpt
index 004158ccff..d9204171b5 100644
--- a/ext/reflection/tests/007.phpt
+++ b/ext/reflection/tests/007.phpt
@@ -25,6 +25,10 @@ function test($class)
 	{
 		var_dump($e->getMessage());
 	}
+	catch (Throwable $e)
+	{
+		echo "Exception: " . $e->getMessage() . "\n";
+	}
 	
 	echo "====>newInstance(25)\n";
 	try
@@ -129,15 +133,7 @@ object(WithCtor)#%d (0) {
 
 ====>WithCtorWithArgs
 ====>newInstance()
-
-Warning: Missing argument 1 for WithCtorWithArgs::__construct() in %s007.php on line %d
-
-Notice: Undefined variable: arg in %s007.php on line %d
-WithCtorWithArgs::__construct()
-array(0) {
-}
-object(WithCtorWithArgs)#%d (0) {
-}
+Exception: Too few arguments to function WithCtorWithArgs::__construct(), 0 passed and exactly 1 expected
 ====>newInstance(25)
 WithCtorWithArgs::__construct(25)
 array(1) {
diff --git a/ext/reflection/tests/ReflectionClass_newInstanceArgs_001.phpt b/ext/reflection/tests/ReflectionClass_newInstanceArgs_001.phpt
index d3a426de4c..3ad654dd84 100644
--- a/ext/reflection/tests/ReflectionClass_newInstanceArgs_001.phpt
+++ b/ext/reflection/tests/ReflectionClass_newInstanceArgs_001.phpt
@@ -38,13 +38,27 @@ $rcC = new ReflectionClass('C');
 $rcD = new ReflectionClass('D');
 $rcE = new ReflectionClass('E');
 
-$a1 = $rcA->newInstanceArgs();
-$a2 = $rcA->newInstanceArgs(array('x'));
-var_dump($a1, $a2);
+try {
+	var_dump($rcA->newInstanceArgs());
+} catch (Throwable $e) {
+	echo "Exception: " . $e->getMessage() . "\n";
+}
+try {
+	var_dump($rcA->newInstanceArgs(array('x')));
+} catch (Throwable $e) {
+	echo "Exception: " . $e->getMessage() . "\n";
+}
 
-$b1 = $rcB->newInstanceArgs();
-$b2 = $rcB->newInstanceArgs(array('x', 123));
-var_dump($b1, $b2);
+try {
+	var_dump($rcB->newInstanceArgs());
+} catch (Throwable $e) {
+	echo "Exception: " . $e->getMessage() . "\n";
+}
+try {
+	var_dump($rcB->newInstanceArgs(array('x', 123)));
+} catch (Throwable $e) {
+	echo "Exception: " . $e->getMessage() . "\n";
+}
 
 try {
 	$rcC->newInstanceArgs();
@@ -73,25 +87,15 @@ try {
 --EXPECTF--
 Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; A has a deprecated constructor in %s on line %d
 In constructor of class A
-In constructor of class A
 object(A)#%d (0) {
 }
+In constructor of class A
 object(A)#%d (0) {
 }
-
-Warning: Missing argument 1 for B::__construct() in %s on line 9
-
-Warning: Missing argument 2 for B::__construct() in %s on line 9
-
-Notice: Undefined variable: a in %s on line 10
-
-Notice: Undefined variable: b in %s on line 10
-In constructor of class B with args , 
+Exception: Too few arguments to function B::__construct(), 0 passed and exactly 2 expected
 In constructor of class B with args x, 123
 object(B)#%d (0) {
 }
-object(B)#%d (0) {
-}
 Access to non-public constructor of class C
 Access to non-public constructor of class D
 object(E)#%d (0) {
diff --git a/ext/reflection/tests/ReflectionClass_newInstance_001.phpt b/ext/reflection/tests/ReflectionClass_newInstance_001.phpt
index afa278a9a1..e29cc8734f 100644
--- a/ext/reflection/tests/ReflectionClass_newInstance_001.phpt
+++ b/ext/reflection/tests/ReflectionClass_newInstance_001.phpt
@@ -42,9 +42,16 @@ $a1 = $rcA->newInstance();
 $a2 = $rcA->newInstance('x');
 var_dump($a1, $a2);
 
-$b1 = $rcB->newInstance();
-$b2 = $rcB->newInstance('x', 123);
-var_dump($b1, $b2);
+try {
+	var_dump($rcB->newInstance());
+} catch (Throwable $e) {
+	echo "Exception: " . $e->getMessage() . "\n";
+}
+try {
+	var_dump($rcB->newInstance('x', 123));
+} catch (Throwable $e) {
+	echo "Exception: " . $e->getMessage() . "\n";
+}
 
 try {
 	$rcC->newInstance();
@@ -78,20 +85,10 @@ object(A)#%d (0) {
 }
 object(A)#%d (0) {
 }
-
-Warning: Missing argument 1 for B::__construct() in %s on line 9
-
-Warning: Missing argument 2 for B::__construct() in %s on line 9
-
-Notice: Undefined variable: a in %s on line 10
-
-Notice: Undefined variable: b in %s on line 10
-In constructor of class B with args , 
+Exception: Too few arguments to function B::__construct(), 0 passed and exactly 2 expected
 In constructor of class B with args x, 123
 object(B)#%d (0) {
 }
-object(B)#%d (0) {
-}
 Access to non-public constructor of class C
 Access to non-public constructor of class D
 object(E)#%d (0) {
diff --git a/ext/reflection/tests/ReflectionMethod_invokeArgs_error1.phpt b/ext/reflection/tests/ReflectionMethod_invokeArgs_error1.phpt
index ac97e3ed2a..c9d1e6379a 100644
--- a/ext/reflection/tests/ReflectionMethod_invokeArgs_error1.phpt
+++ b/ext/reflection/tests/ReflectionMethod_invokeArgs_error1.phpt
@@ -25,12 +25,9 @@ var_dump($methodWithArgs->invokeArgs($testClassInstance, array()));
 --EXPECTF--
 Method with args:
 
-Warning: Missing argument 1 for TestClass::methodWithArgs() in %s on line %d
-
-Warning: Missing argument 2 for TestClass::methodWithArgs() in %s on line %d
-
-Notice: Undefined variable: a in %s on line %d
-
-Notice: Undefined variable: b in %s on line %d
-Called methodWithArgs(, )
-NULL
+Fatal error: Uncaught Error: Too few arguments to function TestClass::methodWithArgs(), 0 passed and exactly 2 expected in %sReflectionMethod_invokeArgs_error1.php:5
+Stack trace:
+#0 [internal function]: TestClass->methodWithArgs()
+#1 %sReflectionMethod_invokeArgs_error1.php(19): ReflectionMethod->invokeArgs(Object(TestClass), Array)
+#2 {main}
+  thrown in %sReflectionMethod_invokeArgs_error1.php on line 5
diff --git a/ext/reflection/tests/ReflectionMethod_invoke_error2.phpt b/ext/reflection/tests/ReflectionMethod_invoke_error2.phpt
index a070c8f583..60a9ebae97 100644
--- a/ext/reflection/tests/ReflectionMethod_invoke_error2.phpt
+++ b/ext/reflection/tests/ReflectionMethod_invoke_error2.phpt
@@ -21,12 +21,9 @@ var_dump($methodWithArgs->invoke($testClassInstance));
 --EXPECTF--
 Method with args:
 
-Warning: Missing argument 1 for TestClass::methodWithArgs() in %s on line %d
-
-Warning: Missing argument 2 for TestClass::methodWithArgs() in %s on line %d
-
-Notice: Undefined variable: a in %s on line %d
-
-Notice: Undefined variable: b in %s on line %d
-Called methodWithArgs(, )
-NULL
+Fatal error: Uncaught Error: Too few arguments to function TestClass::methodWithArgs(), 0 passed and exactly 2 expected in %sReflectionMethod_invoke_error2.php:5
+Stack trace:
+#0 [internal function]: TestClass->methodWithArgs()
+#1 %sReflectionMethod_invoke_error2.php(15): ReflectionMethod->invoke(Object(TestClass))
+#2 {main}
+  thrown in %sReflectionMethod_invoke_error2.php on line 5
diff --git a/ext/reflection/tests/bug38217.phpt b/ext/reflection/tests/bug38217.phpt
index cf007d9547..988f1c8953 100644
--- a/ext/reflection/tests/bug38217.phpt
+++ b/ext/reflection/tests/bug38217.phpt
@@ -18,7 +18,11 @@ class Object1 {
 }
 
 $class= new ReflectionClass('Object1');
-var_dump($class->newInstanceArgs());
+try {
+	var_dump($class->newInstanceArgs());
+} catch (Throwable $e) {
+	echo "Exception: " . $e->getMessage() . "\n";
+}
 var_dump($class->newInstanceArgs(array('test')));
 
 
@@ -27,13 +31,7 @@ echo "Done\n";
 --EXPECTF--	
 object(Object)#%d (0) {
 }
-
-Warning: Missing argument 1 for Object1::__construct() in %s on line %d
-
-Notice: Undefined variable: var in %s on line %d
-NULL
-object(Object1)#%d (0) {
-}
+Exception: Too few arguments to function Object1::__construct(), 0 passed and exactly 1 expected
 string(4) "test"
 object(Object1)#%d (0) {
 }