more info in AST parser

vm_test/syntax.txt

@@ -252,22 +252,6 @@ loop: for (var m = 0; m < 3; m++) {
   }
 }
 
-// --- switch/case/default ---
-var sw
-switch (2) {
-  case 1:
-    sw = "one"
-    break
-  case 2:
-    sw = "two"
-    break
-  case 3:
-    sw = "three"
-    break
-  default:
-    sw = "other"
-}
-
 // --- try/catch/finally ---
 var tc
 try {