[wasm] WebAssembly.compile: pass errors through promise resolver

test/mjsunit/wasm/js-api.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 --allow-natives-syntax
 
 if ((typeof drainJobQueue) != "function") {
   drainJobQueue = () => { %RunMicrotasks() };
 }
 
@@ skipping 529 matching lines @@
 assertEq(compileDesc.enumerable, false);
 assertEq(compileDesc.configurable, true);
 
 // 'WebAssembly.compile' function
 let compile = WebAssembly.compile;
 assertEq(compile, compileDesc.value);
 assertEq(compile.length, 1);
 assertEq(compile.name, "compile");
 function assertCompileError(args, err, msg) {
   var error = null;
-  try {
-    compile(...args).catch(e => error = e);
-  } catch (e) {
-    // TODO: error shouldn't be thrown, but should be globbed onto the promise.
-    error = e;
-  }
+  compile(...args).catch(e => error = e);
   drainJobQueue();
   assertEq(error instanceof err, true);
   assertEq(Boolean(error.stack.match("js-api.js")), true);
 //TODO  assertEq(Boolean(error.message.match(msg)), true);
 }
 assertCompileError([], TypeError, /requires more than 0 arguments/);
 assertCompileError([undefined], TypeError, /first argument must be an ArrayBuffer or typed array object/);
 assertCompileError([1], TypeError, /first argument must be an ArrayBuffer or typed array object/);
 assertCompileError([{}], TypeError, /first argument must be an ArrayBuffer or typed array object/);
 assertCompileError([new Uint8Array()], CompileError, /BufferSource argument is empty/);
@@ skipping 59 matching lines @@
   var result = null;
   instantiate(module_bytes, imports).then(r => result = r).catch(e => print(e));
   drainJobQueue();
   assertEq(result instanceof Instance, true);
 }
 assertInstantiateSuccess(emptyModuleBinary);
 assertInstantiateSuccess(emptyModuleBinary.buffer);
 assertInstantiateSuccess(importingModuleBinary, {"":{f:()=>{}}});
 assertInstantiateSuccess(importingModuleBinary.buffer, {"":{f:()=>{}}});
 assertInstantiateSuccess(memoryImportingModuleBinary, {"": {"my_memory": scratch_memory}});