[Bug lto/53746] [lto] segfault in std::vector::__base_ctor (with -fno-math-errno -fipa-pta) and ICE with trunk revision 188906

["vincenzo.innocente at cern dot ch" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53746

vincenzo Innocente <vincenzo.innocente at cern dot ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[lto] segfault in           |[lto] segfault in
                   |std::vector::__base_ctor    |std::vector::__base_ctor
                   |(with -fno-math-errno       |(with -fno-math-errno
                   |-fipa-pta)                  |-fipa-pta) and ICE with
                   |                            |trunk revision 188906

--- Comment #3 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2012-06-23 09:37:33 UTC ---
just updated to latest trunk and

$CXXGO -Wl,-v stubs.o -shared -o libstubs.so -Wl,-rpath=./ 
collect2 version 4.8.0 20120623 (experimental) [trunk revision 188906]
/home/innocent/gccDir/bin/ld -plugin
/home/innocent/gccDir/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/liblto_plugin.so
-plugin-opt=/home/innocent/gccDir/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper
-plugin-opt=-fresolution=/tmp/ccvCCsbR.res -plugin-opt=-pass-through=-lgcc_s
-plugin-opt=-pass-through=-lc -plugin-opt=-pass-through=-lgcc_s --eh-frame-hdr
-m elf_x86_64 -shared -o libstubs.so /lib/../lib64/crti.o
/home/innocent/gccDir/lib/gcc/x86_64-unknown-linux-gnu/4.8.0/crtbeginS.o
-L/home/innocent/gccDir/lib/gcc/x86_64-unknown-linux-gnu/4.8.0
-L/home/innocent/gccDir/lib/gcc/x86_64-unknown-linux-gnu/4.8.0/../../../../lib64
-L/lib/../lib64 -L/usr/lib/../lib64
-L/home/innocent/gccDir/lib/gcc/x86_64-unknown-linux-gnu/4.8.0/../../.. -v
stubs.o -rpath=./ -lstdc++ -lm -lgcc_s -lc -lgcc_s
/home/innocent/gccDir/lib/gcc/x86_64-unknown-linux-gnu/4.8.0/crtendS.o
/lib/../lib64/crtn.o
GNU gold (version 2.22.52.0.1-10.fc17 20120131) 1.11
lto1: internal compiler error: in lhd_decl_printable_name, at langhooks.c:222
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: c++ returned 1 exit status
/home/innocent/gccDir/bin/ld: fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status