[r12-5536 Regression] FAIL: gfortran.dg/widechar_2.f90 -O0 (test for excess errors) on Linux/x86_64

[sunil.k.pandey]

On Linux/x86_64,

90cb088ece8d8cc1019d25629d1585e5b0234179 is the first bad commit
commit 90cb088ece8d8cc1019d25629d1585e5b0234179
Author: konglin1 <lingling.kong@intel.com>
Date:   Wed Nov 10 09:37:32 2021 +0800

    i386: vcvtph2ps and vcvtps2ph should be used to convert _Float16 to SFmode with -mf16c [PR 102811]

caused

FAIL: gcc.c-torture/execute/builtins/memcpy-chk.c compilation,  -O0 
FAIL: gcc.c-torture/execute/builtins/memcpy-chk.c compilation,  -Og -g 
FAIL: gcc.c-torture/execute/builtins/memmove-chk.c compilation,  -O0 
FAIL: gcc.c-torture/execute/builtins/memmove-chk.c compilation,  -Og -g 
FAIL: gcc.c-torture/execute/builtins/mempcpy-chk.c compilation,  -O0 
FAIL: gcc.c-torture/execute/builtins/mempcpy-chk.c compilation,  -Og -g 
FAIL: gcc.dg/guality/vla-1.c   -O0  (test for excess errors)
FAIL: gcc.dg/guality/vla-1.c   -O1  -DPREVENT_OPTIMIZATION  (test for excess errors)
FAIL: gcc.dg/guality/vla-1.c   -O2  -DPREVENT_OPTIMIZATION  (test for excess errors)
FAIL: gcc.dg/guality/vla-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  -DPREVENT_OPTIMIZATION (test for excess errors)
FAIL: gcc.dg/guality/vla-1.c   -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  -DPREVENT_OPTIMIZATION (test for excess errors)
FAIL: gcc.dg/guality/vla-1.c   -O3 -g  -DPREVENT_OPTIMIZATION  (test for excess errors)
FAIL: gcc.dg/guality/vla-1.c  -Og -DPREVENT_OPTIMIZATION  (test for excess errors)
FAIL: gcc.target/x86_64/abi/test_struct_returning.c compilation,  -O1 
FAIL: gcc.target/x86_64/abi/test_struct_returning.c compilation,  -O2  (internal compiler error)
FAIL: gcc.target/x86_64/abi/test_struct_returning.c compilation,  -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (internal compiler error)
FAIL: gcc.target/x86_64/abi/test_struct_returning.c compilation,  -O3 -g  (internal compiler error)
FAIL: gcc.target/x86_64/abi/test_struct_returning.c compilation,  -Og -g 
FAIL: gcc.target/x86_64/abi/test_struct_returning.c compilation,  -Os  (internal compiler error)
FAIL: gfortran.dg/fmt_cache_1.f   -O0  (test for excess errors)
FAIL: gfortran.dg/fmt_cache_1.f   -O1  (test for excess errors)
FAIL: gfortran.dg/fmt_cache_1.f   -O2  (test for excess errors)
FAIL: gfortran.dg/fmt_cache_1.f   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
FAIL: gfortran.dg/fmt_cache_1.f   -O3 -g  (test for excess errors)
FAIL: gfortran.dg/fmt_cache_1.f   -Os  (test for excess errors)
FAIL: gfortran.dg/g77/7388.f   -O0  (test for excess errors)
FAIL: gfortran.dg/iomsg_1.f90   -O0  (test for excess errors)
FAIL: gfortran.dg/namelist_19.f90   -O0  (test for excess errors)
FAIL: gfortran.dg/read_no_eor.f90   -O0  (test for excess errors)
FAIL: gfortran.dg/round_4.f90   -O0  (test for excess errors)
FAIL: gfortran.dg/widechar_2.f90   -O0  (test for excess errors)

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-5536/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap

To reproduce:

$ cd {build_dir}/gcc && make check RUNTESTFLAGS="builtins.exp=gcc.c-torture/execute/builtins/memcpy-chk.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="builtins.exp=gcc.c-torture/execute/builtins/memmove-chk.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="builtins.exp=gcc.c-torture/execute/builtins/mempcpy-chk.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="guality.exp=gcc.dg/guality/vla-1.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="abi-x86_64.exp=gcc.target/x86_64/abi/test_struct_returning.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/fmt_cache_1.f --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/g77/7388.f --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/iomsg_1.f90 --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/namelist_19.f90 --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/read_no_eor.f90 --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/round_4.f90 --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg.exp=gfortran.dg/widechar_2.f90 --target_board='unix{-m64\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)