When you build a Visual C++ project in Visual Studio 2013 Update 5 that uses certain types from a .NET assembly, you may receive the following error message:
fatal error C1001: An internal error has occurred in the compiler.
(compiler file 'f:\dd\vctools\compiler\cxxfe\sl\p1\c\esu.c', line 6378)
(compiler file 'f:\dd\vctools\compiler\cxxfe\sl\p1\c\esu.c', line 6378)