[wasm] Binary 11: AST changes.

test/mjsunit/wasm/asm-wasm-switch.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Flags: --expose-wasm
 
+(function TestSwitch0() {
+  function asmModule() {
+    "use asm"
+
+    function caller() {
+      var ret = 0;
+      var x = 7;
+      switch (x) {
+        case 1: {
+          return 0;
+        }
+        case 7: {
+          ret = 5;
+          break;
+        }
+        default: return 0;
+      }
+      return ret|0;
+    }
+
+    return {caller:caller};
+  }
+  var wasm = Wasm.instantiateModuleFromAsm(asmModule.toString());
+  assertEquals(5, wasm.caller());
+})();
+
 (function TestSwitch() {
   function asmModule() {
     "use asm"
 
     function caller() {
       var ret = 0;
       var x = 7;
       switch (x) {
         case 1: return 0;
         case 7: {
@@ skipping 416 matching lines @@
     if (k != 56) return "break;";
     else return "return 23;";
   }
   wasm = LargeSwitchGenerator(0, 638, 2, handle_case);
   for (var i = 0; i <= 638; i = i + 2) {
     if (i == 56) assertEquals(23, wasm.main(i));
     else assertEquals(-2, wasm.main(i));
   }
   assertEquals(-1, wasm.main(-1));
 })();