bug: NoMultilineWhitespaceAroundDoubleArrowFixer - fix for single line comment (#6589)

Author: kubawerlos

src/Fixer/ArrayNotation/NoMultilineWhitespaceAroundDoubleArrowFixer.php

@@ -67,7 +67,10 @@ protected function applyFix(\SplFileInfo $file, Tokens $tokens): void
                 continue;
             }
 
-            $this->fixWhitespace($tokens, $index - 1);
+            if (!$tokens[$index - 2]->isComment() || str_starts_with($tokens[$index - 2]->getContent(), '/*')) {
+                $this->fixWhitespace($tokens, $index - 1);
+            }
+
             // do not move anything about if there is a comment following the whitespace
             if (!$tokens[$index + 2]->isComment()) {
                 $this->fixWhitespace($tokens, $index + 1);

tests/Fixer/ArrayNotation/NoMultilineWhitespaceAroundDoubleArrowFixerTest.php

@@ -100,6 +100,39 @@ public function provideFixCases(): array
                         =>
                             null;',
             ],
+            [
+                '<?php
+                    $foo = [
+                        1 /* foo */ => $one,
+                        2 => $two
+                    ];',
+                '<?php
+                    $foo = [
+                        1 /* foo */
+                            =>
+                                $one,
+                        2
+                            =>
+                                $two
+                    ];',
+            ],
+            [
+                '<?php
+                    $foo = [
+                        1 // foo
+                            => $one,
+                        2 => $two,
+                    ];',
+                '<?php
+                    $foo = [
+                        1 // foo
+                            =>
+                                $one,
+                        2
+                            =>
+                                $two,
+                    ];',
+            ],
         ];
     }
 }