https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115723

            Bug ID: 115723
           Summary: SPEC CPU2017 521/621 build error with -Ofast and
                    AVX512 enabled.
           Product: gcc
           Version: 14.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: edison_chan_gz at hotmail dot com
  Target Milestone: ---

Created attachment 58545
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58545&action=edit
config file

-march=native -O3: build OK
-march=native -Ofast: build failed

-march=x86-64-v3 -Ofast: build OK
-march=x86-64-v4 -Ofast: build faied

-march=native -Ofast fno-tree-vectorize: build OK

system:
Ubuntu 24.04
Kernel 6.9.3

CPU: i9-14900k(build only),i9-13900k(build only), Ryzen 7950X,

compiler:
gcc 14.1
gfortran 14.1

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