[Bug target/77405] SIGBUS from gnatmake in stage 3 (gcc 7.0)

[gnugcc at marino dot st]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77405

--- Comment #12 from John Marino <gnugcc at marino dot st> ---
I don't know.  If you have a specific question or a test case that illustrates
it, I can bring up the topic to the DF developers.

I don't know if we are pointing fingers at the OS or GCC though, only that this
commit introduces a regression.