PHPCS 4.x | BCFile::getMethodParameters(): T_USE is now a parenthesis…

… owner

`T_USE` tokens used for closure use statements are parentheses owners as of PHPCS 4.x.

This fixes compatibility of the `BCFile::getMethodParameters()` method with PHPCS 4.x.

The existing unit tests already cover this.

Refs:
* squizlabs/PHP_CodeSniffer 2593
* squizlabs/PHP_CodeSniffer@08824f3
* squizlabs/PHP_CodeSniffer 3104

PHPCSUtils/BackCompat/BCFile.php

@@ -298,7 +298,11 @@ public static function getMethodParameters(File $phpcsFile, $stackPtr)
 
         if ($tokens[$stackPtr]['code'] === T_USE) {
             $opener = $phpcsFile->findNext(T_OPEN_PARENTHESIS, ($stackPtr + 1));
-            if ($opener === false || isset($tokens[$opener]['parenthesis_owner']) === true) {
+            if ($opener === false
+                || (isset($tokens[$opener]['parenthesis_owner']) === true
+                // BC: as of PHPCS 4.x, closure use tokens are parentheses owners.
+                && $tokens[$opener]['parenthesis_owner'] !== $stackPtr)
+            ) {
                 throw new RuntimeException('$stackPtr was not a valid T_USE');
             }
         } elseif ($arrowOpenClose !== false) {