https://gcc.gnu.org/ml/gcc-patches/2018-08/msg01386.html
	PR driver/87056
	* pex-unix.c (pex_unix_exec_child): Duplicate bad_fn into local
	scopes to avoid potential clobber.

Co-Authored-By: Martin Liska <mliska@suse.cz>

From-SVN: r263807