Check this properties for redundant conditions

src/Psalm/Codebase/ClassLikes.php

@@ -629,7 +629,6 @@ class ClassLikes
             }
 
             if ($classlike_storage->location
-                && $this->config
                 && $this->config->isInProjectDirs($classlike_storage->location->file_path)
                 && !$classlike_storage->is_trait
             ) {

src/Psalm/Context.php

@@ -692,7 +692,7 @@ class Context
 
         $stripped_var = preg_replace('/(->|\[).*$/', '', $var_name);
 
-        if ($stripped_var[0] === '$' && $stripped_var !== '$this') {
+        if ($stripped_var[0] === '$' && ($stripped_var !== '$this' || $var_name !== $stripped_var)) {
             $this->referenced_var_ids[$var_name] = true;
 
             if ($this->collect_references && $statements_checker) {

tests/PropertyTypeTest.php

@@ -1494,6 +1494,23 @@ class PropertyTypeTest extends TestCase
                     if (is_string($a->foo)) {}',
                 'error_message' => 'DocblockTypeContradiction',
             ],
+            'impossiblePropertyCheck' => [
+                '<?php
+                    class Bar {}
+                    class Foo {
+                        /** @var Bar */
+                        private $bar;
+
+                        public function __construct() {
+                            $this->bar = new Bar();
+                        }
+
+                        public function getBar(): void {
+                            if (!$this->bar) {}
+                        }
+                    }',
+                'error_message' => 'DocblockTypeContradiction',
+            ],
         ];
     }
 }