From b5316ebebb42bfe7b755bb208b84903f55b16a32 Mon Sep 17 00:00:00 2001
From: Andre Eckardt <aeckardt@outlook.com>
Date: Wed, 2 Sep 2020 22:39:27 +0200
Subject: [PATCH] [Yaml Parser] fixed Parser to skip comments when inlining
 sequences

---
 src/Symfony/Component/Yaml/Parser.php         |  8 ++++++-
 .../Component/Yaml/Tests/ParserTest.php       | 24 +++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Yaml/Parser.php b/src/Symfony/Component/Yaml/Parser.php
index b75af76aaf..827847a2b5 100644
--- a/src/Symfony/Component/Yaml/Parser.php
+++ b/src/Symfony/Component/Yaml/Parser.php
@@ -1244,7 +1244,13 @@ class Parser
             for ($i = 1; isset($this->currentLine[$i]) && ']' !== $this->currentLine[$i]; ++$i) {
             }
 
-            $value .= trim($this->currentLine);
+            $trimmedValue = trim($this->currentLine);
+
+            if ('' !== $trimmedValue && '#' === $trimmedValue[0]) {
+                continue;
+            }
+
+            $value .= $trimmedValue;
 
             if (isset($this->currentLine[$i]) && ']' === $this->currentLine[$i]) {
                 break;
diff --git a/src/Symfony/Component/Yaml/Tests/ParserTest.php b/src/Symfony/Component/Yaml/Tests/ParserTest.php
index 8d278d9102..2c19375c25 100644
--- a/src/Symfony/Component/Yaml/Tests/ParserTest.php
+++ b/src/Symfony/Component/Yaml/Tests/ParserTest.php
@@ -1898,6 +1898,30 @@ YAML
                 [new TaggedValue('foo', 'bar')],
                 '[ !foo bar ]',
             ],
+            'with-comments' => [
+                [
+                    [new TaggedValue('foo', ['foo', 'baz'])],
+                ],
+                <<<YAML
+- [!foo [
+    foo,
+    baz
+    #bar
+  ]]
+YAML
+            ],
+            'with-comments-trailing-comma' => [
+                [
+                    [new TaggedValue('foo', ['foo', 'baz'])],
+                ],
+                <<<YAML
+- [!foo [
+    foo,
+    baz,
+    #bar
+  ]]
+YAML
+            ],
         ];
     }