[Bug fortran/79430] [7 Regression] action of statement incorrectly optimised away

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79430

--- Comment #46 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
gcc version 7.0.1 20170227 (experimental) (GCC)

also fails.