[wasm] Disallow runtime calls in asm.js modules.

R=ahaas@chromium.org,bradnelson@chromium.org
BUG=chromium:592352
LOG=Y

Review-Url: https://codereview.chromium.org/1943373002
Cr-Commit-Position: refs/heads/master@{#35992}

src/typing-asm.cc

@@ -1071,7 +1071,7 @@ void AsmTyper::VisitCallNew(CallNew* expr) {
 
 
 void AsmTyper::VisitCallRuntime(CallRuntime* expr) {
-  // Allow runtime calls for now.
+  FAIL(expr, "runtime call not allowed");
 }
 
 

test/mjsunit/regress/regress-592352.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
+
+function __f_76() {
+  "use asm";
+  function __f_72() {
+    %OptimizeFunctionOnNextCall();
+  }
+  return {__f_72:__f_72};
+}
+
+try {
+  Wasm.instantiateModuleFromAsm( __f_76.toString());
+  assertTrue(false);
+} catch (e) {
+  print("Caught: " + e);
+}