[PATCH] D23654: [CMake] Rename back SIMPLE_SOURCE to compile as C++

[Saleem Abdulrasool via llvm-commits]

compnerd added a comment.

I thought I had mentioned a test that could work: build a simple C++ source file without exceptions and unwind tables.  This would obviously not run very well, but would let you test the compiler.


https://reviews.llvm.org/D23654