[wasm] Binary 11: AST changes.

test/mjsunit/wasm/divrem-trap.js

 // Copyright 2015 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 --expose-gc --allow-natives-syntax
 
 load("test/mjsunit/wasm/wasm-constants.js");
 load("test/mjsunit/wasm/wasm-module-builder.js");
 
 function assertTraps(code, msg) {
@@ skipping 16 matching lines @@
     return;
   }
   throw new MjsUnitAssertionError("Did not throw exception");
 }
 
 
 function makeBinop(opcode) {
   var builder = new WasmModuleBuilder();
 
   builder.addFunction("main", [kAstI32, kAstI32, kAstI32])
-    .addBody([opcode, kExprGetLocal, 0, kExprGetLocal, 1])
+    .addBody([
+      kExprGetLocal, 0,           // --
+      kExprGetLocal, 1,           // --
+      opcode,                     // --
+    ])
     .exportFunc();
 
   return builder.instantiate().exports.main;
 }
 
 var divs = makeBinop(kExprI32DivS);
 var divu = makeBinop(kExprI32DivU);
 
 assertEquals( 33, divs( 333, 10));
 assertEquals(-33, divs(-336, 10));
@@ skipping 21 matching lines @@
 assertEquals( 3, remu(-443, 10));
 
 assertTraps(kTrapRemByZero, "rems(100, 0);");
 assertTraps(kTrapRemByZero, "rems(-1009, 0);");
 
 assertTraps(kTrapRemByZero, "remu(200, 0);");
 assertTraps(kTrapRemByZero, "remu(-2009, 0);");
 
 assertEquals(-2147483648, remu(0x80000000, -1));
 assertEquals(0, rems(0x80000000, -1));