toolchain/49749: ICE: Segmentation fault: 11 (atf-c++/detail/application.cpp)

[en.bsd%spflrc.org@localhost]

>Number:         49749
>Category:       toolchain
>Synopsis:       ICE: Segmentation fault: 11 (atf-c++/detail/application.cpp)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Mar 15 23:05:00 +0000 2015
>Originator:     Erik Neuenschwander
>Release:        netbsd-6-1
>Organization:
>Environment:
Darwin hostname 13.4.0 Darwin Kernel Version 13.4.0: Wed Dec 17 19:05:52 PST 2014; root:xnu-2422.115.10~1/RELEASE_X86_64 x86_64

>Description:
After checking out the 6-1 tag, I was cross-compiling for evbarm with the following overall command.

./build.sh -O ../obj -T ../tools -U -m evbarm distribution

Eventually the build dies inside src/external/bsd/atf/dist/atf-c++/detail.  This always reproduces.
>How-To-Repeat:
$ ../tools/bin/arm--netbsdelf-c++ -frandom-seed=bac8c344 -O2 -Wall -Wpointer-arith -Wno-sign-compare -Wa,--fatal-warnings -Wreturn-type -Wswitch -Wshadow -Werror  --sysroot=~/src/netbsd615/src/../obj/destdir.evbarm -I~/src/netbsd615/src/external/bsd/atf/lib/libatf-c++/../libatf-c -I. -DHAVE_CONFIG_H  -c    ~/src/netbsd615/src/external/bsd/atf/dist/atf-c++/detail/application.cpp -o application.o
In file included from ~/src/netbsd615/src/../obj/destdir.evbarm/usr/include/sys/types.h:51:0,
                 from ~/src/netbsd615/src/../obj/destdir.evbarm/usr/include/unistd.h:70,
                 from ~/src/netbsd615/src/external/bsd/atf/dist/atf-c++/detail/application.cpp:35:
~~/src/netbsd615/src/../obj/destdir.evbarm/usr/include/sys/ansi.h:63:1: internal compiler error: Segmentation fault: 11
>Fix: