[Bug bootstrap/111601] New: [14 Regression] bootstrap fails in stagestrain in libcody on x86_64-linux-gnu and powerpc64le-linux-gnu

["doko at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111601

            Bug ID: 111601
           Summary: [14 Regression] bootstrap fails in stagestrain in
                    libcody on x86_64-linux-gnu and powerpc64le-linux-gnu
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org
  Target Milestone: ---

seen with trunk 20230917 and 20230926 on both x86_64-linux-gnu and
powerpc64le-linux-gnu with a profiled lto build. last successful build with
this configuration was 20230907.

not seen on aarch64, s390x, riscv64.


build/libcody/config.log just shows:

onfigure:2143: checking whether the C++ compiler works
configure:2165: 
/home/packages/gcc/snap/gcc-snapshot-20230917/build/./prev-gcc/xg++
-B/home/packages/gcc/snap/gcc-snapshot-20230917/build/./prev-gcc/
-B/usr/lib/gcc-snapshot/x86_64-linux-gnu/bin/ -nostdinc++
-B/home/packages/gcc/snap/gcc-snapshot-20230917/build/prev-x86_64-linux-gnu/libstdc++-v3/src/.libs
-B/home/packages/gcc/snap/gcc-snapshot-20230917/build/prev-x86_64-linux-gnu/libstdc++-v3/libsupc++/.libs
 -isystem
/home/packages/gcc/snap/gcc-snapshot-20230917/build/prev-x86_64-linux-gnu/libstdc++-v3/include/x86_64-linux-gnu
 -isystem
/home/packages/gcc/snap/gcc-snapshot-20230917/build/prev-x86_64-linux-gnu/libstdc++-v3/include
 -isystem
/home/packages/gcc/snap/gcc-snapshot-20230917/src/libstdc++-v3/libsupc++
-L/home/packages/gcc/snap/gcc-snapshot-20230917/build/prev-x86_64-linux-gnu/libstdc++-v3/src/.libs
-L/home/packages/gcc/snap/gcc-snapshot-20230917/build/prev-x86_64-linux-gnu/libstdc++-v3/libsupc++/.libs
-g -O2  -static-libstdc++ -static-libgcc -Wl,-z,relro conftest.cpp  >&5
xg++: internal compiler error: Segmentation fault signal terminated program
cc1plus
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
See <file:///usr/share/doc/gcc-snapshot/README.Bugs> for instructions.
configure:2169: $? = 4
configure:2207: result: no
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "codylib"
| #define PACKAGE_TARNAME "codylib"
| #define PACKAGE_VERSION "0.0"
| #define PACKAGE_STRING "codylib 0.0"
| #define PACKAGE_BUGREPORT "github.com/urnathan/libcody"
| #define PACKAGE_URL ""
| /* end confdefs.h.  */
| 
| int
| main ()
| {
| 
|   ;
|   return 0;
| }
configure:2212: error: in
`/home/packages/gcc/snap/gcc-snapshot-20230917/build/libcody':
configure:2214: error: C++ compiler cannot create executables

GCC is configured with

Configured with: -v
         --with-pkgversion='Debian 20230926-1'
         --with-bugurl='file:///usr/share/doc/gcc-snapshot/README.Bugs'
         --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2
         --prefix=/usr/lib/gcc-snapshot
         --with-gcc-major-version-only
         --program-prefix=
         --enable-shared
         --enable-linker-build-id
         --disable-nls
         --enable-bootstrap
         --enable-clocale=gnu
         --enable-libstdcxx-debug
         --enable-libstdcxx-time=yes
         --with-default-libstdcxx-abi=new
         --enable-gnu-unique-object
         --disable-vtable-verify
         --enable-plugin
         --with-system-zlib
         --enable-libphobos-checking=release
         --with-target-system-zlib=auto
         --enable-objc-gc=auto
         --enable-multiarch
         --disable-werror
         --enable-cet
         --with-arch-32=i686
         --with-abi=m64
         --with-multilib-list=m32,m64,mx32
         --enable-multilib
         --with-tune=generic
        
--enable-offload-targets=nvptx-none=/<<PKGBUILDDIR>>/debian/tmp-nvptx/usr/lib/gcc-snapshot,amdgcn-amdhsa=/<<PKGBUILDDIR>>/debian/tmp-gcn/usr/lib/gcc-snapshot
         --enable-offload-defaulted
         --without-cuda-driver
         --enable-checking=yes,extra,rtl
         --build=x86_64-linux-gnu
         --host=x86_64-linux-gnu
         --target=x86_64-linux-gnu
         --with-build-config=bootstrap-lto-lean
         --enable-link-serialization=3

and running make profiledbootstrap-lean