symfony
diff --git a/‎src/Symfony/Component/Serializer/CHANGELOG.md
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diff --git a/‎src/Symfony/Component/Serializer/Exception/MissingConstructorArgumentsException.php
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+19Lines changed: 19 additions & 0 deletions b/‎src/Symfony/Component/Serializer/Exception/MissingConstructorArgumentsException.php
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diff --git a/‎src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php
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+1-1Lines changed: 1 addition & 1 deletion b/‎src/Symfony/Component/Serializer/Normalizer/AbstractNormalizer.php
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+1-1Lines changed: 1 addition & 1 deletion
@@ -8,6 +8,7 @@ CHANGELOG
  * Add support for serializing empty array as object
  * Return empty collections as `ArrayObject` from `Serializer::normalize()` when `PRESERVE_EMPTY_OBJECTS` is set
  * Add support for collecting type errors during denormalization
+ * Add missing arguments in `MissingConstructorArgumentsException`
 
 5.3
 ---
 
@@ -16,4 +16,23 @@
  */
 class MissingConstructorArgumentsException extends RuntimeException
 {
+    /**
+     * @var string[]
+     */
+    private $missingArguments;
+
+    public function __construct(string $message, int $code = 0, \Throwable $previous = null, array $missingArguments = [])
+    {
+        $this->missingArguments = $missingArguments;
+
+        parent::__construct($message, $code, $previous);
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getMissingConstructorArguments(): array
+    {
+        return $this->missingArguments;
+    }
 }
@@ -401,7 +401,7 @@ protected function instantiateObject(array &$data, string $class, array &$contex
                     $params[] = null;
                 } else {
                     if (!isset($context['not_normalizable_value_exceptions'])) {
-                        throw new MissingConstructorArgumentsException(sprintf('Cannot create an instance of "%s" from serialized data because its constructor requires parameter "%s" to be present.', $class, $constructorParameter->name));
+                        throw new MissingConstructorArgumentsException(sprintf('Cannot create an instance of "%s" from serialized data because its constructor requires parameter "%s" to be present.', $class, $constructorParameter->name), 0, null, [$constructorParameter->name]);
                     }
 
                     $exception = NotNormalizableValueException::createForUnexpectedDataType(
Original file line number	Diff line number	Diff line change
`@@ -401,7 +401,7 @@ protected function instantiateObject(array &$data, string $class, array &$contex`
`401`	`401`	`$params[] = null;`
`402`	`402`	`} else {`
`403`	`403`	`if (!isset($context['not_normalizable_value_exceptions'])) {`
`404`		`- throw new MissingConstructorArgumentsException(sprintf('Cannot create an instance of "%s" from serialized data because its constructor requires parameter "%s" to be present.', $class, $constructorParameter->name));`
	`404`	`+ throw new MissingConstructorArgumentsException(sprintf('Cannot create an instance of "%s" from serialized data because its constructor requires parameter "%s" to be present.', $class, $constructorParameter->name), 0, null, [$constructorParameter->name]);`
`405`	`405`	`}`
`406`	`406`
`407`	`407`	`$exception = NotNormalizableValueException::createForUnexpectedDataType(`