Simplify getClosureScopeCacheKey

Author: ondrejmirtes

src/Analyser/MutatingScope.php

@@ -912,9 +912,6 @@ private function getClosureScopeCacheKey(): string
 			$parts[] = sprintf('%s::%s', $exprString, $expressionTypeHolder->getType()->describe(VerbosityLevel::cache()));
 		}
 		$parts[] = '---';
-		foreach ($this->nativeExpressionTypes as $exprString => $expressionTypeHolder) {
-			$parts[] = sprintf('%s::%s', $exprString, $expressionTypeHolder->getType()->describe(VerbosityLevel::cache()));
-		}
 
 		$parts[] = sprintf(':%d', count($this->inFunctionCallsStack));
 		foreach ($this->inFunctionCallsStack as [$method, $parameter]) {

tests/PHPStan/Analyser/nsrt/native-types.php

@@ -346,7 +346,7 @@ public function doFoo(): void
 		};
 
 		assertType('non-empty-string', $f());
-		assertNativeType('string', $f());
+		assertNativeType('non-empty-string', $f());
 
 		assertType('non-empty-string', (function (): string {
 			return funcWithANativeReturnType();