[Bug fortran/127631] [14/15/16/17 Regression] rnflow hangs with higher optimiztaion

[tkoenig at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127631

Thomas Koenig <tkoenig at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |needs-bisection
            Summary|rnflow hangs with higher    |[14/15/16/17 Regression]
                   |optimiztaion                |rnflow hangs with higher
                   |                            |optimiztaion

--- Comment #4 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Also fails with -O3 with 13.3.0 and on POWER with recent trunk.

Works with 8.5.0 (tested on gcc135).