[Bug tree-optimization/111859] 521.wrf_r build failure with -O2 -march=cascadelake --param vect-partial-vector-usage=2

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111859

--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
Could be reproduced with:
tar zxvf 521.tar.gz
cd 521
gfortran module_advect_em.fppizedi.f90 -S -O2 -march=cascadelake --param
vect-partial-vector-usage=2 -std=legacy -fconvert=big-endian