[Bug c/72750] Not possible to use -fno-builtin to suppress optimization of some standard functions like atoi

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72750

--- Comment #4 from Andreas Schwab <sch...@linux-m68k.org> ---
<stdlib.h> is not a standard part of a freestanding implementation.