why is phpstan so stupid about this constant?

Author: henderkes

src/SPC/builder/extension/opcache.php

@@ -52,7 +52,7 @@ public function getUnixConfigureArg(bool $shared = false): string
         if ((SPCTarget::getTargetOS() === 'Linux' &&
             SPCTarget::getLibc() === 'musl' &&
             $this->builder->getOption('enable-zts') &&
-            GNU_ARCH === 'x86_64' &&
+            arch2gnu(php_uname('m')) === 'x86_64' &&
             $phpVersionID < 80500) ||
             $this->builder->getOption('disable-opcache-jit')
         ) {