[Bug c++/63716] GCC Internal Error

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63716

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
c++: internal compiler error: Killed (program cc1plus)

means you ran out of memory and the kernel decided to kill GCC.

I'd say try without -g or with -fno-var-tracking.