Fix emitting errors for instanceof

Author: thekid

ChangeLog.md

@@ -3,6 +3,10 @@ Switch expression for PHP - ChangeLog
 
 ## ?.?.? / ????-??-??
 
+## 1.0.1 / 2020-04-04
+
+* Fixed emitting errors for `instanceof` - @thekid
+
 ## 1.0.0 / 2019-11-30
 
 * Implemented xp-framework/rfc#334: Drop PHP 5.6. The minimum required

src/main/php/lang/ast/syntax/php/SwitchExpression.class.php

@@ -102,7 +102,7 @@ public function setup($language, $emitter) {
             if (isset($is[$type])) {
               $cond= new InvokeExpression(new Literal('is_'.$type), [$t]);
             } else {
-              $cond= new InstanceOfExpression($t, new Literal($type));
+              $cond= new InstanceOfExpression($t, $type);
             }
           } else {
             $cond= new BinaryExpression($t, '===', $expr);