1. Set "C_Cpp.intelliSenseEngineFallback": "Disabled" 2. Use `#include <foo> #include <foo2> ` Requires at least 2 missing includes. Bug: The errors appear twice. I found/fixed this while investigating another crash issue. 
#include <foo> #include <foo2>Requires at least 2 missing includes.
Bug: The errors appear twice. I found/fixed this while investigating another crash issue.