Merge branch '4.1' into 4.2

* 4.1:
  Update PR template
  bumped Symfony version to 4.1.9
  updated VERSION for 4.1.8
  updated CHANGELOG for 4.1.8
  bumped Symfony version to 3.4.20
  updated VERSION for 3.4.19
  updated CHANGELOG for 3.4.19
  [Console] Move back root exception to stack trace in verbose mode

Author: nicolas-grekas

Application.php

@@ -801,6 +801,13 @@ protected function doRenderException(\Exception $e, OutputInterface $output)
                 // exception related properties
                 $trace = $e->getTrace();
 
+                array_unshift($trace, array(
+                    'function' => '',
+                    'file' => $e->getFile() ?: 'n/a',
+                    'line' => $e->getLine() ?: 'n/a',
+                    'args' => array(),
+                ));
+
                 for ($i = 0, $count = \count($trace); $i < $count; ++$i) {
                     $class = isset($trace[$i]['class']) ? $trace[$i]['class'] : '';
                     $type = isset($trace[$i]['type']) ? $trace[$i]['type'] : '';

Tests/ApplicationTest.php

@@ -849,6 +849,31 @@ public function testRenderAnonymousException()
         $this->assertContains('Dummy type "@anonymous" is invalid.', $tester->getDisplay(true));
     }
 
+    public function testRenderExceptionStackTraceContainsRootException()
+    {
+        $application = new Application();
+        $application->setAutoExit(false);
+        $application->register('foo')->setCode(function () {
+            throw new class('') extends \InvalidArgumentException {
+            };
+        });
+        $tester = new ApplicationTester($application);
+
+        $tester->run(array('command' => 'foo'), array('decorated' => false));
+        $this->assertContains('[InvalidArgumentException@anonymous]', $tester->getDisplay(true));
+
+        $application = new Application();
+        $application->setAutoExit(false);
+        $application->register('foo')->setCode(function () {
+            throw new \InvalidArgumentException(sprintf('Dummy type "%s" is invalid.', \get_class(new class() {
+            })));
+        });
+        $tester = new ApplicationTester($application);
+
+        $tester->run(array('command' => 'foo'), array('decorated' => false));
+        $this->assertContains('Dummy type "@anonymous" is invalid.', $tester->getDisplay(true));
+    }
+
     public function testRun()
     {
         $application = new Application();