[Bug rtl-optimization/105203] [11/12 Regression] '-fcompare-debug' failure w/ -O2 -ftracer -fPIC since r11-3078-g69ca5f3a988266da

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105203

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
@Segher: Have you tried running it on x86_64-linux-gnu?

gcc -O2 -fcompare-debug -ftracer -fPIC -w -c
gcc/testsuite/gfortran.dg/g77/pr9258.f --save-temps --verbose
Using built-in specs.
COLLECT_GCC=gcc
OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-suse-linux
Configured with: ../configure --prefix=/usr --infodir=/usr/share/info
--mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64
--enable-languages=c,c++,objc,fortran,obj-c++,ada,go,d,jit
--enable-offload-targets=nvptx-none,amdgcn-amdhsa, --without-cuda-driver
--enable-host-shared --enable-checking=release --disable-werror
--with-gxx-include-dir=/usr/include/c++/11 --enable-ssp --disable-libssp
--disable-libvtv --enable-cet=auto --disable-libcc1 --enable-plugin
--with-bugurl=https://bugs.opensuse.org/ --with-pkgversion='SUSE Linux'
--with-slibdir=/lib64 --with-system-zlib --enable-libstdcxx-allocator=new
--disable-libstdcxx-pch --enable-libphobos
--enable-version-specific-runtime-libs --with-gcc-major-version-only
--enable-linker-build-id --enable-linux-futex --enable-gnu-indirect-function
--program-suffix=-11 --without-system-libunwind --enable-multilib
--with-arch-32=x86-64 --with-tune=generic
--with-build-config=bootstrap-lto-lean --enable-link-mutex
--build=x86_64-suse-linux --host=x86_64-suse-linux
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.2.1 20220316 [revision 6a1150d1524aeda3381b2171712e1a6611d441d6]
(SUSE Linux) 
COLLECT_GCC_OPTIONS='-O2' '-fcompare-debug=-gtoggle' '-ftracer' '-fPIC' '-w'
'-c' '-save-temps' '-v' '-mtune=generic' '-march=x86-64'
 /usr/lib64/gcc/x86_64-suse-linux/11/f951
gcc/testsuite/gfortran.dg/g77/pr9258.f -ffixed-form -quiet -dumpbase pr9258.f
-dumpbase-ext .f -mtune=generic -march=x86-64 -O2 -w -version
-fcompare-debug=-gtoggle -ftracer -fPIC -fintrinsic-modules-path
/usr/lib64/gcc/x86_64-suse-linux/11/finclude
-fpre-include=/usr/include/finclude/math-vector-fortran.h
-frandom-seed=0x56af55577b39fac1 -fdump-final-insns=pr9258.f.gkd -o pr9258.s
GNU Fortran (SUSE Linux) version 11.2.1 20220316 [revision
6a1150d1524aeda3381b2171712e1a6611d441d6] (x86_64-suse-linux)
        compiled by GNU C version 11.2.1 20220316 [revision
6a1150d1524aeda3381b2171712e1a6611d441d6], GMP version 6.2.1, MPFR version
4.1.0-p7, MPC version 1.2.1, isl version isl-0.24-GMP

GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU Fortran2008 (SUSE Linux) version 11.2.1 20220316 [revision
6a1150d1524aeda3381b2171712e1a6611d441d6] (x86_64-suse-linux)
        compiled by GNU C version 11.2.1 20220316 [revision
6a1150d1524aeda3381b2171712e1a6611d441d6], GMP version 6.2.1, MPFR version
4.1.0-p7, MPC version 1.2.1, isl version isl-0.24-GMP

GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
COLLECT_GCC_OPTIONS='-O2' '-fcompare-debug=-gtoggle' '-ftracer' '-fPIC' '-w'
'-c' '-save-temps' '-v' '-mtune=generic' '-march=x86-64'
 /usr/lib64/gcc/x86_64-suse-linux/11/../../../../x86_64-suse-linux/bin/as -v -W
--64 -o pr9258.o pr9258.s
GNU assembler version 2.38 (x86_64-suse-linux) using BFD version (GNU Binutils;
openSUSE Tumbleweed) 2.38.20220304-3
gcc: note: recompiling with ‘-fcompare-debug’
COLLECT_GCC_OPTIONS='-O2' '-fcompare-debug=-gtoggle' '-ftracer' '-fPIC' '-w'
'-c' '-save-temps' '-v' '-mtune=generic' '-march=x86-64' '-w' '-S' '-o'
'/dev/null' '-fcompare-debug-second' '-gtoggle'
 /usr/lib64/gcc/x86_64-suse-linux/11/f951
gcc/testsuite/gfortran.dg/g77/pr9258.f -ffixed-form -quiet -dumpbase
pr9258.gk.f -dumpbase-ext .f -mtune=generic -march=x86-64 -gtoggle -O2 -w -w
-version -fcompare-debug=-gtoggle -ftracer -fPIC -fcompare-debug-second -o
/dev/null -fintrinsic-modules-path /usr/lib64/gcc/x86_64-suse-linux/11/finclude
-fpre-include=/usr/include/finclude/math-vector-fortran.h
-frandom-seed=0x56af55577b39fac1 -fdump-final-insns=pr9258.gk.f.gkd
GNU Fortran (SUSE Linux) version 11.2.1 20220316 [revision
6a1150d1524aeda3381b2171712e1a6611d441d6] (x86_64-suse-linux)
        compiled by GNU C version 11.2.1 20220316 [revision
6a1150d1524aeda3381b2171712e1a6611d441d6], GMP version 6.2.1, MPFR version
4.1.0-p7, MPC version 1.2.1, isl version isl-0.24-GMP

GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU Fortran2008 (SUSE Linux) version 11.2.1 20220316 [revision
6a1150d1524aeda3381b2171712e1a6611d441d6] (x86_64-suse-linux)
        compiled by GNU C version 11.2.1 20220316 [revision
6a1150d1524aeda3381b2171712e1a6611d441d6], GMP version 6.2.1, MPFR version
4.1.0-p7, MPC version 1.2.1, isl version isl-0.24-GMP

GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
gcc: note: comparing final insns dumps
gcc: error: gcc/testsuite/gfortran.dg/g77/pr9258.f: ‘-fcompare-debug’ failure