[Bug sanitizer/78267] [7 Regression] libsanitizer breaks bootstrap on x86_64-apple-darwin16 at r241977

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78267

--- Comment #46 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Don't forget:

> For the record, note that configuring gcc with --disable-libsanitizer
> replace an ICE with accept-invalid in pr44348.