[Bug driver/81829] [7 Regression] /usr/bin/gcc-{ar,nm,ranlib} segfault without arguments

[ryxi at stu dot xidian.edu.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81829

--- Comment #3 from Xi Ruoyao <ryxi at stu dot xidian.edu.cn> ---
marxin's patch:

http://gcc.gnu.org/ml/gcc-patches/2017-08/msg01116.html

But this patch doesn't work while /my_bin/bin contains a symlink.