[r12-3321 Regression] FAIL: gfortran.dg/PR100914.f90 -Os (test for excess errors) on Linux/x86_64

[sunil.k.pandey]

On Linux/x86_64,

93b6b2f614eb692d1d8126ec6cb946984a9d01d7 is the first bad commit
commit 93b6b2f614eb692d1d8126ec6cb946984a9d01d7
Author: Sandra Loosemore <sandra@codesourcery.com>
Date:   Wed Aug 18 07:22:03 2021 -0700

    libgfortran: Further fixes for GFC/CFI descriptor conversions.

caused

FAIL: gfortran.dg/PR100914.f90   -O0  (test for excess errors)
FAIL: gfortran.dg/PR100914.f90   -O1  (test for excess errors)
FAIL: gfortran.dg/PR100914.f90   -O2  (test for excess errors)
FAIL: gfortran.dg/PR100914.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
FAIL: gfortran.dg/PR100914.f90   -O3 -g  (test for excess errors)
FAIL: gfortran.dg/PR100914.f90   -Os  (test for excess errors)

with GCC configured with



To reproduce:

$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/PR100914.f90 --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/PR100914.f90 --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/PR100914.f90 --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/PR100914.f90 --target_board='unix{-m64\ -march=cascadelake}'"

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