[Bug c++/80038] Random segfault using local vectors in Cilk function

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80038

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
It might be that GCC is in error and that the ctor/dtor need to be arranged to
run per thread.  Who knows...

You might want to check a competing Cilk+ implementation for this (I think the
Intel compiler has Cilk+ support).