wasm: change the module memory size to be multiples of the page size, 64k.

test/mjsunit/wasm/params.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
 
 load("test/mjsunit/wasm/wasm-constants.js");
 
 function runSelect2(module, which, a, b) {
   assertEquals(which == 0 ? a : b, module.select(a, b));
 }
 
 function testSelect2(type) {
   var kBodySize = 2;
   var kNameOffset = kHeaderSize + 21 + kBodySize + 1;
 
   for (var which = 0; which < 2; which++) {
     print("type = " + type + ", which = " + which);
 
     var data = bytesWithHeader(
       // -- memory
       kDeclMemory,
-      12, 12, 1,                  // memory
+      1, 1, 1,                    // memory
       // -- signatures
       kDeclSignatures, 1,
       2, type, type, type,        // signature: (t,t)->t
       // -- select
       kDeclFunctions, 1,
       kDeclFunctionName | kDeclFunctionExport,
       0, 0,
       kNameOffset, 0, 0, 0,       // name offset
       kBodySize, 0,               // body size
       kExprGetLocal, which,       // --
@@ skipping 55 matching lines @@
 function testSelect10(type) {
   var kBodySize = 2;
   var kNameOffset = kHeaderSize + 29 + kBodySize + 1;
 
   for (var which = 0; which < 10; which++) {
     print("type = " + type + ", which = " + which);
 
     var t = type;
     var data = bytesWithHeader(
       kDeclMemory,
-      12, 12, 1,                  // memory
+      1, 1, 1,                    // memory
       // signatures
       kDeclSignatures, 1,
       10, t,t,t,t,t,t,t,t,t,t,t,  // (tx10)->t
       // main function
       kDeclFunctions, 1,
       kDeclFunctionName | kDeclFunctionExport,
       0, 0,
       kNameOffset, 0, 0, 0,       // name offset
       kBodySize, 0,               // body size
       kExprGetLocal, which,       // --
@@ skipping 20 matching lines @@
       runSelect10(module, which, -1.25, 5.25);
       runSelect10(module, which, Infinity, -Infinity);
     }
   }
 }
 
 
 testSelect10(kAstI32);
 testSelect10(kAstF32);
 testSelect10(kAstF64);