When trying to compile the attached branch, an ICE is triggered:

[ 64%] Building CXX object src/core/media/CMakeFiles/media-hub-service.dir/player_skeleton.cpp.o
cd /scratch/gcc5/fix-1452331/build/src/core/media && /usr/bin/x86_64-linux-gnu-g++   -DMEDIA_HUB_HAVE_HYBRIS_MEDIA_COMPAT_LAYER -DQT_CORE_LIB -DQT_DBUS_LIB -DQT_NO_DEBUG -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2  -std=c++11 -Wall -fno-strict-aliasing -Wextra -fPIC -pthread -Wno-error=unused-local-typedefs -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/scratch/gcc5/fix-1452331/include -I/usr/include/gstreamer-1.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/scratch/gcc5/fix-1452331/src -isystem /usr/include/x86_64-linux-gnu/qt5 -isystem /usr/include/x86_64-linux-gnu/qt5/QtCore -isystem /usr/lib/x86_64-linux-gnu/qt5/mkspecs/linux-g++-64 -isystem /usr/include/x86_64-linux-gnu/qt5/QtDBus    -fPIC -o CMakeFiles/media-hub-service.dir/player_skeleton.cpp.o -c /scratch/gcc5/fix-1452331/src/core/media/player_skeleton.cpp
In file included from /usr/include/x86_64-linux-gnu/sys/stat.h:104:0,
                 from /usr/include/boost/asio/detail/impl/eventfd_select_interrupter.ipp:23,
                 from /usr/include/boost/asio/detail/eventfd_select_interrupter.hpp:80,
                 from /usr/include/boost/asio/detail/select_interrupter.hpp:25,
                 from /usr/include/boost/asio/detail/epoll_reactor.hpp:29,
                 from /usr/include/boost/asio/detail/reactor.hpp:21,
                 from /usr/include/boost/asio/detail/impl/task_io_service.ipp:24,
                 from /usr/include/boost/asio/detail/task_io_service.hpp:198,
                 from /usr/include/boost/asio/impl/io_service.hpp:71,
                 from /usr/include/boost/asio/io_service.hpp:767,
                 from /usr/include/boost/asio/basic_io_object.hpp:19,
                 from /usr/include/boost/asio/basic_socket.hpp:20,
                 from /usr/include/boost/asio/basic_datagram_socket.hpp:20,
                 from /usr/include/boost/asio.hpp:21,
                 from /scratch/gcc5/fix-1452331/src/core/media/external_services.h:25,
                 from /scratch/gcc5/fix-1452331/src/core/media/player_skeleton.cpp:22:
/usr/include/x86_64-linux-gnu/bits/stat.h:93:5: internal compiler error: Segmentation fault
     struct timespec st_ctim;  /* Time of last status change.  */
     ^
0xaaaf2f crash_signal
	../../src/gcc/toplev.c:383
0x1086a91 _cpp_skip_block_comment
	../../src/libcpp/lex.c:1111
0x108947a _cpp_lex_direct
	../../src/libcpp/lex.c:2432
0x10898ed _cpp_lex_token
	../../src/libcpp/lex.c:2176
0x108e3d7 cpp_get_token_1
	../../src/libcpp/macro.c:2442
0x741edc c_lex_with_flags(tree_node**, unsigned int*, unsigned char*, int)
	../../src/gcc/c-family/c-lex.c:408
0x66470f cp_lexer_get_preprocessor_token
	../../src/gcc/cp/parser.c:779
0x693708 cp_lexer_new_main
	../../src/gcc/cp/parser.c:660
0x693708 cp_parser_new
	../../src/gcc/cp/parser.c:3484
0x693708 c_parse_file()
	../../src/gcc/cp/parser.c:33224
0x746c62 c_common_parse_file()
	../../src/gcc/c-family/c-opts.c:1057
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-5/README.Bugs> for instructions.