[Bug ipa/81520] New: [8 Regression] ICE: in function_and_variable_visibility, at ipa-visibility.c:639

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81520

            Bug ID: 81520
           Summary: [8 Regression] ICE: in
                    function_and_variable_visibility, at
                    ipa-visibility.c:639
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ipa
          Assignee: unassigned at gcc dot gnu.org
          Reporter: danglin at gcc dot gnu.org
                CC: marxin at gcc dot gnu.org
  Target Milestone: ---
              Host: hppa2.0w-hp-hpux11.11
            Target: hppa2.0w-hp-hpux11.11
             Build: hppa2.0w-hp-hpux11.11

Created attachment 41812
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41812&action=edit
Preprocessed source

libtool: compile:  /test/gnu/gcc/objdir/./gcc/xgcc -shared-libgcc
-B/test/gnu/gc
c/objdir/./gcc -nostdinc++
-L/test/gnu/gcc/objdir/hppa2.0w-hp-hpux11.11/libstdc+
+-v3/src -L/test/gnu/gcc/objdir/hppa2.0w-hp-hpux11.11/libstdc++-v3/src/.libs
-L/
test/gnu/gcc/objdir/hppa2.0w-hp-hpux11.11/libstdc++-v3/libsupc++/.libs
-B/opt/gn
u/gcc/gcc-8/hppa2.0w-hp-hpux11.11/bin/
-B/opt/gnu/gcc/gcc-8/hppa2.0w-hp-hpux11.1
1/lib/ -isystem /opt/gnu/gcc/gcc-8/hppa2.0w-hp-hpux11.11/include -isystem
/opt/g
nu/gcc/gcc-8/hppa2.0w-hp-hpux11.11/sys-include
-I/test/gnu/gcc/gcc/libstdc++-v3/
../libgcc
-I/test/gnu/gcc/objdir/hppa2.0w-hp-hpux11.11/libstdc++-v3/include/hppa
2.0w-hp-hpux11.11
-I/test/gnu/gcc/objdir/hppa2.0w-hp-hpux11.11/libstdc++-v3/incl
ude -I/test/gnu/gcc/gcc/libstdc++-v3/libsupc++ -std=gnu++98 -D_GLIBCXX_SHARED
-f
no-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi
-fdiagnost
ics-show-location=once -frandom-seed=pool_allocator.lo -g -O2 -c
../../../../../
gcc/libstdc++-v3/src/c++98/pool_allocator.cc  -fPIC -DPIC -D_GLIBCXX_SHARED -o
p
ool_allocator.o
during IPA pass: whole-program
../../../../../gcc/libstdc++-v3/src/c++98/pool_allocator.cc:177:1: internal
comp
iler error: in function_and_variable_visibility, at ipa-visibility.c:639
 } // namespace
 ^
libbacktrace could not find executable to open

Breakpoint 1, _ZL32function_and_variable_visibilityb (whole_program=false)
    at ../../gcc/gcc/ipa-visibility.c:639
639                   gcc_assert (alias && alias != node);
(gdb) bt
Python Exception <type 'exceptions.ImportError'> Failed to load
/home/gnu/lib/python2.7/lib-dynload/itertools.sl: 
#0  _ZL32function_and_variable_visibilityb (whole_program=false)
    at ../../gcc/gcc/ipa-visibility.c:639
#1  0x01762574 in (anonymous
namespace)::whole_program_function_and_variable_visibility() () at
../../gcc/gcc/ipa-visibility.c:912
#2  0x017628b4 in
_ZN12_GLOBAL__N_133pass_ipa_whole_program_visibility7executeEP8function
(this=0x405b40a8) at ../../gcc/gcc/ipa-visibility.c:960
#3  0x01bf430c in _Z16execute_one_passP8opt_pass (pass=0x405b40a8)
    at ../../gcc/gcc/passes.c:2492
#4  0x01bf6148 in _Z21execute_ipa_pass_listP8opt_pass (pass=0x405b40a8)
    at ../../gcc/gcc/passes.c:2927
#5  0x00e7403c in _ZL10ipa_passesv () at ../../gcc/gcc/cgraphunit.c:2389
#6  0x00e74628 in _ZN12symbol_table7compileEv (this=0x7ae27000)
    at ../../gcc/gcc/cgraphunit.c:2475
#7  0x00e74cac in _ZN12symbol_table25finalize_compilation_unitEv (
    this=0x7ae27000) at ../../gcc/gcc/cgraphunit.c:2629
#8  0x01f12510 in _ZL12compile_filev () at ../../gcc/gcc/toplev.c:493
#9  0x01f175dc in _ZL10do_compilev () at ../../gcc/gcc/toplev.c:2021
#10 0x01f17e38 in _ZN6toplev4mainEiPPc (this=0x7eff07b8, argc=23, 
    argv=0x7eff062c) at ../../gcc/gcc/toplev.c:2155
#11 0x02a58618 in main (argc=23, argv=0x7eff062c) at ../../gcc/gcc/main.c:39
(gdb) list
634                 continue;
635     
636               if (!alias)
637                 { 
638                   alias = dyn_cast<cgraph_node *>
(node->noninterposable_alias ());
639                   gcc_assert (alias && alias != node);
640                 }
641     
642               e->redirect_callee (alias);
643               if (gimple_has_body_p (e->caller->decl))
(gdb) p alias
$1 = (cgraph_node *) 0x0

Reading specs from ./specs
COLLECT_GCC=./xgcc
COLLECT_LTO_WRAPPER=./lto-wrapper
Target: hppa2.0w-hp-hpux11.11
Configured with: ../gcc/configure --with-gnu-as --with-as=/opt/gnu/bin/as
--enable-shared --with-local-prefix=/opt/gnu --prefix=/opt/gnu/gcc/gcc-8
--with-gmp=/opt/gnu/gcc/gmp --enable-threads=posix --disable-nls --disable-lto
--without-cloog --without-ppl --enable-checking=yes
--enable-languages=c,c++,objc,fortran,ada,obj-c++
Thread model: posix
gcc version 8.0.0 20170722 (experimental) [trunk revision 250453] (GCC)