[fixed in clang trunk] clangbackend crash including fruit.h (Google fruit)

Steps to reproduce:

-Add fruit.h to any C++ file (.h or .cpp) and save.

-Notice the error displayed. 

-Notice the General messages tab display the following repeatedly:

2019-06-24T07:27:02 Clang Code Model: Error: The clangbackend process has finished unexpectedly and was restarted.

-Remove fruit.h from the includes and save.

-Notice the error stops.

A sample application demonstrating the error is attached.