https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83719
Bug ID: 83719
Summary: [8 Regression] ICE (segfault) in
hash_table<indirect_string_hasher,
xcallocator>::elements()
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: doko at gcc dot gnu.org
CC: marxin at gcc dot gnu.org
Target Milestone: ---
seen with r256272 on i686-linux-gnu
$ cat assembly.ii
//
$ g++ -std=c++11 -c -gsplit-dwarf -g -O2 -flto assembly.ii
assembly.ii:1: internal compiler error: Segmentation fault
//
0x8803dda crash_signal
../../src/gcc/toplev.c:325
0x855d42e hash_table<indirect_string_hasher, xcallocator>::elements() const
../../src/gcc/hash-table.h:388
0x855d42e void hash_table<indirect_string_hasher,
xcallocator>::traverse<dwarf_form,
&(output_indirect_string(indirect_string_node**, dwarf_form))>(dwarf_form)
../../src/gcc/hash-table.h:987
0x8528e6f output_indirect_strings
../../src/gcc/dwarf2out.c:27799
0x855ac81 dwarf2out_early_finish
../../src/gcc/dwarf2out.c:30894
0x84da930 symbol_table::finalize_compilation_unit()
../../src/gcc/cgraphunit.c:2713
Please submit a full bug report,
with preprocessed source if appropriate.
Target: i686-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu
8-20180104-0ubuntu2' --with-bugurl=file:///usr/share/doc/gcc-8/README.Bugs
--enable-languages=c,ada,c++,go,brig,fortran,objc,obj-c++ --prefix=/usr
--with-gcc-major-version-only --program-suffix=-8
--program-prefix=i686-linux-gnu- --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--with-default-libstdcxx-abi=new --enable-gnu-unique-object
--disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie
--with-system-zlib --enable-objc-gc=auto --enable-targets=all
--enable-multiarch --disable-werror --with-arch-32=i686
--with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic
--enable-checking=release --build=i686-linux-gnu --host=i686-linux-gnu
--target=i686-linux-gnu
Thread model: posix
