[Bug bootstrap/81965] New: [8 Regression] ICE in stage 2 compiler while configuring libgcc in stage 2, during GIMPLE pass: cfg

["rainer at emrich-ebersheim dot de" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81965

            Bug ID: 81965
           Summary: [8 Regression] ICE in stage 2 compiler while
                    configuring libgcc in stage 2, during GIMPLE pass: cfg
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rainer@emrich-ebersheim.de
  Target Milestone: ---

gcc version 8.0.0 20170824 (experimental) [trunk revision 251326] (GCC)

ICE in stage 2 compiler while configuring libgcc in stage 2:

configure:3471:
/opt/devel/SCRATCH/tmp.s6J9UOTgxN/gcc-8.0.0/gcc-8.0.0/./gcc/xgcc
-B/opt/devel/SCRATCH/tmp.s6J9UOTgxN/gcc-8.0.0/gcc-8.0.0/./gcc/
-L/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/lib
-L/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/mingw/lib
-isystem
/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/include
-isystem
/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/mingw/include
-B/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/bin/
-B/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/lib/
-isystem
/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/include
-isystem
/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/sys-include
   -o conftest -g -O2   conftest.c  >&5
during GIMPLE pass: cfg
conftest.c: In function 'main':
conftest.c:11:1: internal compiler error: Segmentation fault
 main ()
 ^~~~
libbacktrace could not find executable to open
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
configure:3474: $? = 1
configure:3662: checking for suffix of object files
configure:3684:
/opt/devel/SCRATCH/tmp.s6J9UOTgxN/gcc-8.0.0/gcc-8.0.0/./gcc/xgcc
-B/opt/devel/SCRATCH/tmp.s6J9UOTgxN/gcc-8.0.0/gcc-8.0.0/./gcc/
-L/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/lib
-L/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/mingw/lib
-isystem
/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/include
-isystem
/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/mingw/include
-B/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/bin/
-B/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/lib/
-isystem
/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/include
-isystem
/opt/devel/gnu/gcc/MINGW_NT/x86_64-w64-mingw32/mingw-w64-runtime-trunk-svn/gcc-8.0.0/x86_64-w64-mingw32/sys-include
   -c -g -O2  conftest.c >&5
during GIMPLE pass: cfg
conftest.c: In function 'main':
conftest.c:11:1: internal compiler error: Segmentation fault
 main ()
 ^~~~
libbacktrace could not find executable to open
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
configure:3688: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "GNU C Runtime Library"
| #define PACKAGE_TARNAME "libgcc"
| #define PACKAGE_VERSION "1.0"
| #define PACKAGE_STRING "GNU C Runtime Library 1.0"
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL "http://www.gnu.org/software/libgcc/";
| /* end confdefs.h.  */
|
| int
| main ()
| {
|
|   ;
|   return 0;
| }
configure:3702: error: in
`/opt/devel/SCRATCH/tmp.s6J9UOTgxN/gcc-8.0.0/gcc-8.0.0/x86_64-w64-mingw32/libgcc':
configure:3705: error: cannot compute suffix of object files: cannot compile