[Bug fortran/81827] Large compile time with derived-type rrays

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81827

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Testing a patch changing level 5 at -O1 from

> /usr/bin/time /space/rguenther/install/gcc-7.2/bin/gfortran -S t.f90 -O 
1139.91user 1.99system 19:02.37elapsed 99%CPU (0avgtext+0avgdata
8035048maxresident)k
40816inputs+144outputs (49major+2004165minor)pagefaults 0swaps

to

> /usr/bin/time /abuild/rguenther/obj2/gcc/f951 t.f90 -O -quiet
126.42user 1.18system 2:26.94elapsed 86%CPU (0avgtext+0avgdata
2433296maxresident)k
0inputs+176outputs (0major+638570minor)pagefaults 0swaps