[Bug c/108715] Infinite loop in the generated assembly with -Os when strlen is defined in the code

[daniel at eyoman dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108715

--- Comment #7 from Daniel Zaoui <daniel at eyoman dot com> ---
With the -fno-builtin option, the assembly is correct and the program behaves
as expected.