https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64414
--- Comment #1 from Jason Pyeron <jpyeron at pdinc dot us> --- In an attempt to be lazy, I added a .h file to refer to a .h file in the parent directory. 2154b9ff583610a5ab97821ed6b45646df2f4e2b:src/Main/Unix/System.h: #include "../System.h" removing that file eliminates the crash.
