[Bug rtl-optimization/79279] combine/simplify_set: wrong call to REG_CANNOT_CHANGE_MODE_P

[aurelien.buhrig.gcc at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79279

--- Comment #1 from Aurelien Buhrig <aurelien.buhrig.gcc at gmail dot com> ---
Patch:
https://gcc.gnu.org/ml/gcc-patches/2017-01/msg02265.html