>From the libstdc++ performance testsuite:

%/mnt/share/bld/gcc/./gcc/g++ -shared-libgcc -B/mnt/share/bld/gcc/./gcc
-nostdinc++ -L/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/src
-L/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs
-B/mnt/share/bld/H-x86-gcc/x86_64-unknown-linux-gnu/bin/
-B/mnt/share/bld/H-x86-gcc/x86_64-unknown-linux-gnu/lib/ -isystem
/mnt/share/bld/H-x86-gcc/x86_64-unknown-linux-gnu/include -isystem
/mnt/share/bld/H-x86-gcc/x86_64-unknown-linux-gnu/sys-include -nostdinc++
-I/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu
-I/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/include
-I/mnt/share/src/gcc-trunk/libstdc++-v3/libsupc++
-I/mnt/share/src/gcc-trunk/libstdc++-v3/include/backward
-I/mnt/share/src/gcc-trunk/libstdc++-v3/testsuite/util -g -O2 -D_GLIBCXX_ASSERT
-fmessage-length=0 -ffunction-sections -fdata-sections -g -O2 -D_GNU_SOURCE
-std=gnu++0x -Wl,--rpath
-Wl,/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/../../gcc
-Wl,--rpath
-Wl,/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs
/mnt/share/src/gcc-trunk/libstdc++-v3/testsuite/performance/ext/pb_ds/multimap_text_find_timing_large.cc
./libtestc++.a -o multimap_text_find_timing_large.ii
In file included from
/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/move.h:38:0,
                 from
/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/stl_pair.h:60,
                 from
/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/stl_algobase.h:66,
                 from
/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/stl_tree.h:62,
                 from
/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/include/set:60,
                 from
/mnt/share/src/gcc-trunk/libstdc++-v3/testsuite/util/io/text_populate.hpp:42,
                 from
/mnt/share/src/gcc-trunk/libstdc++-v3/testsuite/performance/ext/pb_ds/multimap_text_find_timing.hpp:38,
                 from
/mnt/share/src/gcc-trunk/libstdc++-v3/testsuite/performance/ext/pb_ds/multimap_text_find_timing_large.cc:32:
/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/include/type_traits:
In instantiation of ‘const bool
std::__is_constructible_helper<__gnu_pbds::list_update<int,
__gnu_pbds::null_mapped_type, std::equal_to<int>,
__gnu_pbds::test::move_to_front_lu_policy_t_>, const
std::basic_string<char>&&>::__value’:
/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/include/type_traits:235:5:
  instantiated from ‘std::is_constructible<__gnu_pbds::list_update<int,
__gnu_pbds::null_mapped_type, std::equal_to<int>,
__gnu_pbds::test::move_to_front_lu_policy_t_>, const
std::basic_string<char>&&>’
/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:392:64:
  instantiated from here
/mnt/share/bld/gcc/x86_64-unknown-linux-gnu/libstdc++-v3/include/type_traits:224:67:
internal compiler error: in copy_fn_p, at cp/decl.c:9973
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Compiling this without -std=gnu++0x is fine.


-- 
           Summary: ICE: copy_fn_p at cp/decl.c:9973
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: bkoz at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42639