Allow use statement aliasing even in the own namespace of the class

coder_sniffer/Drupal/Sniffs/Classes/UnusedUseStatementSniff.php

@@ -76,7 +76,11 @@ class Drupal_Sniffs_Classes_UnusedUseStatementSniff implements PHP_CodeSniffer_S
         // Check if the referenced class is in the same namespace as the current
         // file. If it is then the use statement is not necessary.
         $namespacePtr = $phpcsFile->findPrevious([T_NAMESPACE], $stackPtr);
-        if ($namespacePtr !== false) {
+        // Check if the use statement does aliasing with the "as" keyword. Aliasing
+        // is allowed even in the same namespace.
+        $aliasUsed = $phpcsFile->findPrevious(T_AS, ($classPtr - 1), $stackPtr);
+
+        if ($namespacePtr !== false && $aliasUsed === false) {
             $nsEnd     = $phpcsFile->findNext(
                 [
                  T_NS_SEPARATOR,

coder_sniffer/Drupal/Test/Classes/UnusedUseStatementUnitTest.inc

@@ -15,6 +15,7 @@ use Another\UnusedUse;
 use Example\MyUrlHelper;
 use MyNamespace\Depth\UnusedSameNamespace;
 use /* I like weird comment placements */ MyNamespace\Depth\AnotherUnusedSameNamespace /* Oh yes I do */;
+use MyNamespace\Depth\SomeClass as CoreSomeClass;
 
 /**
  * Bla.
@@ -51,4 +52,11 @@ class Pum {
 
   }
 
+  /**
+   * Renamed class from same namespace.
+   */
+  protected function test5(CoreSomeClass $x) {
+
+  }
+
 }

coder_sniffer/Drupal/Test/Classes/UnusedUseStatementUnitTest.inc.fixed

@@ -7,6 +7,7 @@ use Thing\Fail\ActuallyUsed;
 use Test\TraitTest;
 use Thing\DifferentName as UsedOtherName;
 use Example\MyUrlHelper;
+use MyNamespace\Depth\SomeClass as CoreSomeClass;
 
 /**
  * Bla.
@@ -43,4 +44,11 @@ class Pum {
 
   }
 
+  /**
+   * Renamed class from same namespace.
+   */
+  protected function test5(CoreSomeClass $x) {
+
+  }
+
 }