From a94e76a866c15db5521720aa111cf194cccb4606 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Sun, 1 Dec 2019 11:45:41 +0100
Subject: [PATCH] Fix failures on PHP 7.4

---
 src/Symfony/Component/Cache/Adapter/PhpArrayAdapter.php  | 2 +-
 .../Component/Config/Resource/ClassExistenceResource.php | 4 ++--
 .../Component/PropertyAccess/PropertyAccessor.php        | 9 +++++----
 .../PropertyAccess/Tests/PropertyAccessorTest.php        | 2 +-
 4 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/Symfony/Component/Cache/Adapter/PhpArrayAdapter.php b/src/Symfony/Component/Cache/Adapter/PhpArrayAdapter.php
index 76673e0a03c7..e03d37b94de4 100644
--- a/src/Symfony/Component/Cache/Adapter/PhpArrayAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/PhpArrayAdapter.php
@@ -271,7 +271,7 @@ private function generateItems(array $keys)
     public static function throwOnRequiredClass($class)
     {
         $e = new \ReflectionException("Class $class does not exist");
-        $trace = $e->getTrace();
+        $trace = debug_backtrace();
         $autoloadFrame = [
             'function' => 'spl_autoload_call',
             'args' => [$class],
diff --git a/src/Symfony/Component/Config/Resource/ClassExistenceResource.php b/src/Symfony/Component/Config/Resource/ClassExistenceResource.php
index 340e28f245a8..4e0d0d834e6a 100644
--- a/src/Symfony/Component/Config/Resource/ClassExistenceResource.php
+++ b/src/Symfony/Component/Config/Resource/ClassExistenceResource.php
@@ -72,7 +72,7 @@ public function isFresh($timestamp)
                 spl_autoload_register(__CLASS__.'::throwOnRequiredClass');
             }
             $autoloadedClass = self::$autoloadedClass;
-            self::$autoloadedClass = $this->resource;
+            self::$autoloadedClass = ltrim($this->resource, '\\');
 
             try {
                 $exists = class_exists($this->resource) || interface_exists($this->resource, false) || trait_exists($this->resource, false);
@@ -161,7 +161,7 @@ public static function throwOnRequiredClass($class, \Exception $previous = null)
             throw $e;
         }
 
-        $trace = $e->getTrace();
+        $trace = debug_backtrace();
         $autoloadFrame = [
             'function' => 'spl_autoload_call',
             'args' => [$class],
diff --git a/src/Symfony/Component/PropertyAccess/PropertyAccessor.php b/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
index 9aab91638cbd..4297d3947ff5 100644
--- a/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
+++ b/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
@@ -260,13 +260,14 @@ private static function throwInvalidArgumentException($message, $trace, $i)
             return;
         }
 
-        if (isset($trace[$i]['file']) && __FILE__ === $trace[$i]['file'] && \array_key_exists(0, $trace[$i]['args'])) {
+        if (isset($trace[$i]['file']) && __FILE__ === $trace[$i]['file']) {
             $pos = strpos($message, $delim = 'must be of the type ') ?: (strpos($message, $delim = 'must be an instance of ') ?: strpos($message, $delim = 'must implement interface '));
             $pos += \strlen($delim);
-            $type = $trace[$i]['args'][0];
-            $type = \is_object($type) ? \get_class($type) : \gettype($type);
+            $j = strpos($message, ',', $pos);
+            $type = substr($message, 2 + $j, strpos($message, ' given', $j) - $j - 2);
+            $message = substr($message, $pos, $j - $pos);
 
-            throw new InvalidArgumentException(sprintf('Expected argument of type "%s", "%s" given', substr($message, $pos, strpos($message, ',', $pos) - $pos), $type));
+            throw new InvalidArgumentException(sprintf('Expected argument of type "%s", "%s" given', $message, 'NULL' === $type ? 'null' : $type));
         }
     }
 
diff --git a/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorTest.php b/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorTest.php
index d7ee358e07a7..0eb4baacf222 100644
--- a/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorTest.php
+++ b/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorTest.php
@@ -532,7 +532,7 @@ public function testThrowTypeError()
     public function testThrowTypeErrorWithNullArgument()
     {
         $this->expectException('Symfony\Component\PropertyAccess\Exception\InvalidArgumentException');
-        $this->expectExceptionMessage('Expected argument of type "DateTime", "NULL" given');
+        $this->expectExceptionMessage('Expected argument of type "DateTime", "null" given');
         $object = new TypeHinted();
 
         $this->propertyAccessor->setValue($object, 'date', null);