https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90539
--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> ---
Note that patch is also responsible for 521.wrf_r segfault with -Ofast
-march=native on a Zen machine (with ulimit -s == unlimited):
****************************************
****************************************
Contents of wrf.err
****************************************
Program received signal SIGSEGV: Segmentation fault - invalid memory reference.
Backtrace for this error:
#0 0x14c7dd128e0f in ???
at
/usr/src/debug/glibc-2.29-5.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
#1 0x1605961 in __module_ra_rrtm_MOD_rtrn
at
/home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc7-m64.0001/module_ra_rrtm.fppized.f90:6413
#2 0x161dddf in __module_ra_rrtm_MOD_rrtm
at
/home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc7-m64.0001/module_ra_rrtm.fppized.f90:2256
#3 0x161edd2 in __module_ra_rrtm_MOD_rrtmlwrad
at
/home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc7-m64.0001/module_ra_rrtm.fppized.f90:1994
#4 0x1631f8d in __module_radiation_driver_MOD_radiation_driver
at
/home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc7-m64.0001/module_radiation_driver.fppized.f90:1106
#5 0x11776e3 in __module_first_rk_step_part1_MOD_first_rk_step_part1
at
/home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc7-m64.0001/module_first_rk_step_part1.fppized.f90:367
#6 0x18b6c15 in solve_em_
at
/home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc7-m64.0001/solve_em.fppized.f90:837
#7 0x1906eb3 in solve_interface_
at
/home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc7-m64.0001/solve_interface.fppized.f90:135
#8 0x127a53b in __module_integrate_MOD_integrate
at
/home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc7-m64.0001/module_integrate.fppized.f90:306
#9 0x17e5171 in __module_wrf_top_MOD_wrf_run
at
/home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc7-m64.0001/module_wrf_top.fppized.f90:309
#10 0x404b02 in wrf
at
/home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc7-m64.0001/wrf.fppized.f90:28
#11 0x404b02 in main
at
/home/marxin/Programming/cpu2017/benchspec/CPU/521.wrf_r/build/build_peak_gcc7-m64.0001/wrf.fppized.f90:6
****************************************
