[Bug lto/58251] -flto causes ICE lto1: internal compiler error: in splice_child_die, at dwarf2out.c:4706

["nheghathivhistha at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58251

--- Comment #8 from David Kredba <nheghathivhistha at gmail dot com> ---
Thank you Richard.

This fails as before:
kig-4.11.4_build # /usr/bin/x86_64-pc-linux-gnu-g++ -save-temps -fPIC -O2 -ggdb
-pipe -march=native -mtune=native -flto=4 -fuse-linker-plugin 
-Wnon-virtual-dtor -Wno-long-long -Wundef -Wcast-align -Wchar-subscripts -Wall
-W -Wpointer-arith -Wformat-security -fno-exceptions -DQT_NO_EXCEPTIONS
-fno-check-new -fno-common -Woverloaded-virtual -fno-threadsafe-statics
-fvisibility=hidden -fvisibility-inlines-hidden -Wl,--enable-new-dtags
-Wl,--no-undefined -lc  -Wl,--as-needed -Wl,-O1 -Wl,--hash-style=gnu
-Wl,--sort-common -O2 -ggdb -pipe -march=native -mtune=native -flto=4
-fuse-linker-plugin -r -o lib/kigpart.so
CMakeFiles/kigpart.dir/scripting/python_scripter.o  -nostdlib
x86_64-pc-linux-gnu-g++: warning: -pipe ignored because -save-temps specified
x86_64-pc-linux-gnu-g++: warning: -pipe ignored because -save-temps specified
[Leaving LTRANS /tmp/cce03m0F.args]
[Leaving LTRANS kigpart.so.ltrans.out]
x86_64-pc-linux-gnu-g++: warning: -pipe ignored because -save-temps specified
x86_64-pc-linux-gnu-g++: warning: -pipe ignored because -save-temps specified
x86_64-pc-linux-gnu-g++: warning: -pipe ignored because -save-temps specified
x86_64-pc-linux-gnu-g++: warning: -pipe ignored because -save-temps specified
lto1: internal compiler error: in splice_child_die, at dwarf2out.c:4706

I have ii file but it won't compile this way:

/usr/bin/x86_64-pc-linux-gnu-g++  -fPIC -O2 -ggdb -pipe -march=native
-mtune=native -flto=4 -fuse-linker-plugin  -Wnon-virtual-dtor -Wno-long-long
-Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith
-Wformat-security -fno-exceptions -DQT_NO_EXCEPTIONS -fno-check-new -fno-common
-Woverloaded-virtual -fno-threadsafe-statics -fvisibility=hidden
-fvisibility-inlines-hidden -Wl,--enable-new-dtags -Wl,--no-undefined -lc 
-Wl,--as-needed -Wl,-O1 -Wl,--hash-style=gnu -Wl,--sort-common -O2 -ggdb -pipe
-march=native -mtune=native -flto=4 -fuse-linker-plugin -o lib/kigpart.so
./python_scripter.ii -r -nostdlib
In file included from /usr/include/qt4/QtCore/qvariant.h:50:0,
                 from /usr/include/qt4/QtCore/QVariant:1,
                 from /usr/include/kconfig.h:32,
                 from /usr/include/ksharedconfig.h:25,
                 from /usr/include/klocale.h:26,
                 from
/var/tmp/portage/kde-base/kig-4.11.4/work/kig-4.11.4/scripting/../objects/common.h:27,
                 from
/var/tmp/portage/kde-base/kig-4.11.4/work/kig-4.11.4/scripting/python_scripter.h:21,
                 from
/var/tmp/portage/kde-base/kig-4.11.4/work/kig-4.11.4/scripting/python_scripter.cc:24:
/usr/include/qt4/QtCore/qhash.h: In member function âvoid
QHashData::hasShrunk()â:
/usr/include/qt4/QtCore/qhash.h:175:39: error: exception handling disabled, use
-fexceptions to enable
         } QT_CATCH(const std::bad_alloc &) {

I removed -fno-exceptions -DQT_NO_EXCEPTIONS and it compiles and crashes as
before :-).

/usr/bin/x86_64-pc-linux-gnu-g++  -fPIC -O2 -ggdb -pipe -march=native
-mtune=native -flto=4 -fuse-linker-plugin  -Wnon-virtual-dtor -Wno-long-long
-Wundef -Wcast-align -Wchar-subscripts -Wall -W -Wpointer-arith
-Wformat-security -fno-check-new -fno-common -Woverloaded-virtual
-fno-threadsafe-statics -fvisibility=hidden -fvisibility-inlines-hidden
-Wl,--enable-new-dtags -Wl,--no-undefined -lc  -Wl,--as-needed -Wl,-O1
-Wl,--hash-style=gnu -Wl,--sort-common -O2 -ggdb -pipe -march=native
-mtune=native -flto=4 -fuse-linker-plugin -o lib/kigpart.so
./python_scripter.ii -r -nostdliblto1: internal compiler error: in
splice_child_die, at dwarf2out.c:4706

Going to attach ii file gzipped.

What can I do next please?

Thank you.

Using built-in specs.
COLLECT_GCC=/usr/x86_64-pc-linux-gnu/gcc-bin/4.8.2/gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.8.2/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /var/tmp/portage/sys-devel/gcc-4.8.2/work/gcc-4.8.2/configure
--prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.8.2
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.8.2/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.2
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.2/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.2/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.8.2/include/g++-v4
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec
--disable-fixed-point --without-cloog --enable-lto --enable-nls
--without-included-gettext --with-system-zlib --enable-obsolete
--disable-werror --enable-secureplt --enable-multilib
--with-multilib-list=m32,m64 --disable-libmudflap --disable-libssp
--enable-libgomp
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/4.8.2/python
--enable-checking=release --disable-libgcj --enable-libstdcxx-time
--enable-languages=c,c++,fortran --enable-shared --enable-threads=posix
--enable-__cxa_atexit --enable-clocale=gnu --enable-targets=all
--with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo 4.8.2 p1.0'
Thread model: posix
gcc version 4.8.2 (Gentoo 4.8.2 p1.0)