[Bug tree-optimization/83047] [8 regression] glibc/crypt/crypt_util.c gets miscompiled

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83047

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Created attachment 42654
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42654&action=edit
unreduced testcase