[Bug bootstrap/63853] [5.0 Regression] The use of strchrnul breaks bootstrap on x86_64-apple-darwin14.

[sch...@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63853

--- Comment #10 from Andreas Schwab <sch...@linux-m68k.org> ---
How about using strcspn?