Refactor module builder

test/mjsunit/wasm/adapter-frame.js

Index: test/mjsunit/wasm/adapter-frame.js
diff --git a/test/mjsunit/wasm/adapter-frame.js b/test/mjsunit/wasm/adapter-frame.js
index 39164c7763e3dd9e5284dd9c9fa7689840f7f979..e595c3fb89e363626d90dc6dfe4339bec580d25f 100644
--- a/test/mjsunit/wasm/adapter-frame.js
+++ b/test/mjsunit/wasm/adapter-frame.js
@@ -26,12 +26,9 @@ function makeSelect(type, args, which) {
   }
 
   var builder = new WasmModuleBuilder();
-  var sig = new Array();
-  sig.push(args);
-  for (var i = 0; i < args; i++) sig.push(type);
-  sig.push(1);
-  sig.push(type);
-  builder.addFunction("select", sig)
+  var params = [];
+  for (var i = 0; i < args; i++) params.push(type);
+  builder.addFunction("select", makeSig(params, [type]))
     .addBody([kExprGetLocal, which])
     .exportFunc();