#after a ton of compiling... here is what happens

llvm[1]: Compiling Instructions.cpp for Release build
if  x86_64-pc-linux-gnu-g++ -I/var/tmp/portage/sys-devel/llvm-3.1-r2/work/llvm-3.1.src/include -I/var/tmp/portage/sys-devel/llvm-3.1-r2/work/llvm-3.1.src/lib/VMCore  -DNDEBUG -
D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS   -fvisibility-inlines-hidden -fno-exceptions -fPIC -Woverloaded-virtual -Wcast-qual -
march=native -O2 -pipe  -I/usr/lib64/libffi-3.0.11/include   -pedantic -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings   -c -MMD -MP -MF "/var/tmp/portage/sys-
devel/llvm-3.1-r2/work/llvm-3.1.src/lib/VMCore/Release/Instructions.d.tmp" -MT "/var/tmp/portage/sys-devel/llvm-3.1-r2/work/llvm-3.1.src/lib/VMCore/Release/Instructions.o" -MT 
"/var/tmp/portage/sys-devel/llvm-3.1-r2/work/llvm-3.1.src/lib/VMCore/Release/Instructions.d" Instructions.cpp -o /var/tmp/portage/sys-devel/llvm-3.1-
r2/work/llvm-3.1.src/lib/VMCore/Release/Instructions.o ; \
        then /bin/mv -f "/var/tmp/portage/sys-devel/llvm-3.1-r2/work/llvm-3.1.src/lib/VMCore/Release/Instructions.d.tmp" "/var/tmp/portage/sys-devel/llvm-3.1-
        r2/work/llvm-3.1.src/lib/VMCore/Release/Instructions.d"; else /bin/rm "/var/tmp/portage/sys-devel/llvm-3.1-r2/work/llvm-3.1.src/lib/VMCore/Release/Instructions.d.tmp"; exit 
        1; fi
{standard input}: Assembler messages:
{standard input}:1711: Warning: end of file in string; '"' inserted
x86_64-pc-linux-gnu-g++: internal compiler error: Killed (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugs.gentoo.org/> for instructions.
/bin/rm: cannot remove '/var/tmp/portage/sys-devel/llvm-3.1-r2/work/llvm-3.1.src/lib/VMCore/Release/Function.d.tmp': No such file or directory
make[1]: *** [/var/tmp/portage/sys-devel/llvm-3.1-r2/work/llvm-3.1.src/lib/VMCore/Release/Function.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: Leaving directory `/var/tmp/portage/sys-devel/llvm-3.1-r2/work/llvm-3.1.src/lib/VMCore'
make: *** [all] Error 1
 * ERROR: sys-devel/llvm-3.1-r2 failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=sys-devel/llvm-3.1-r2'`,
 * the complete build log and the output of `emerge -pqv '=sys-devel/llvm-3.1-r2'`.
 * The complete build log is located at '/var/tmp/portage/sys-devel/llvm-3.1-r2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-devel/llvm-3.1-r2/temp/environment'.
 * Working directory: '/var/tmp/portage/sys-devel/llvm-3.1-r2/work/llvm-3.1.src'
 * S: '/var/tmp/portage/sys-devel/llvm-3.1-r2/work/llvm-3.1.src'

>>> Failed to emerge sys-devel/llvm-3.1-r2, Log file:

>>>  '/var/tmp/portage/sys-devel/llvm-3.1-r2/temp/build.log'
 * Messages for package sys-devel/llvm-3.1-r2:
 * ERROR: sys-devel/llvm-3.1-r2 failed (compile phase):
 *   emake failed