[clang] rtld-elf/rtld.c and stack traces in gdb(1)

[Test Rat]

Roman Divacky <rdivacky at freebsd.org> writes:

>> And compiling rtld with clang + -O0 makes it crash.
>
> what is "it" ? clang itself or rtld?

rtld, but not on trunk (r138219)

> Also I think it makes sense to check if this issue persists with TOT
> clang, can you check that?

It persists. Compiling only rtld.c with -O0 seems to be a workaround.