[Bug c/59708] clang-compatible checked arithmetic builtins

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59708

--- Comment #24 from Andreas Schwab <sch...@linux-m68k.org> ---
builtin-arith-overflow-14.c still fails on ppc32 as of r218249.