--- a/js/src/asmjs/WasmJS.cpp
+++ b/js/src/asmjs/WasmJS.cpp
@@ -126,18 +126,20 @@ GetImports(JSContext* cx, HandleObject i
 bool
 wasm::Eval(JSContext* cx, Handle<TypedArrayObject*> code, HandleObject importObj,
            MutableHandleWasmInstanceObject instanceObj)
 {
     if (!CheckCompilerSupport(cx))
         return false;
 
     Bytes bytecode;
-    if (!bytecode.append((uint8_t*)code->viewDataEither().unwrap(), code->byteLength()))
+    if (!bytecode.append((uint8_t*)code->viewDataEither().unwrap(), code->byteLength())) {
+        ReportOutOfMemory(cx);
         return false;
+    }
 
     CompileArgs compileArgs;
     if (!compileArgs.init(cx))
         return true;
 
     JS::AutoFilename af;
     if (DescribeScriptedCaller(cx, &af)) {
         compileArgs.filename = DuplicateString(cx, af.get());