HTML5 fails during Package Command with ASM enabled

While testing in //UE4/Release-4.16 CL 3432136 in Binary – Launching a blueprint - FirstPerson template to Chrome encounters an error.

LogPlayLevel: Program.Main: ERROR: AutomationTool terminated with exception: System.IO.FileNotFoundException: Could not find file 'D:\Binary_Workspaces\UE_4.16\Engine\Binaries\HTML5\UE4Game.js.mem'.

Regression: Yes

1. Open Editor
2. Create a Blueprint FirstPerson template
3. Enable asmjs Build (else build WASM)
   • Project Settings > Platforms > HTML5 > Emscripten
4. Launch On Chrome

Result:
Launch Fails
Expected Result:
Project successfully launches to Chrome
Frequency:
5/5 - 100%