Error building jsstr in spidermonkey

[sander]

I’m using a clean install from the master branch of build-couchdb. It fails with this error:

STDOUT c++ -o jsstr.o -c -I./dist/system_wrappers_js -include /home/sander/git/couch13/dependencies/spidermonkey/js/src/config/gcc_hidden.h -DOSTYPE="Linux3.6" -DOSARCH=Linux -DEXPORT_JS_API -DIMPL_MFBT -D__STDC_LIMIT_MACROS -I/home/sander/git/couch13/dependencies/spidermonkey/js/src -I. -I./dist/include -I./dist/include/nsprpub -I/home/sander/git/couch13/dependencies/spidermonkey/js/src -I/home/sander/git/couch13/dependencies/spidermonkey/js/src/assembler -I/home/sander/git/couch13/dependencies/spidermonkey/js/src/yarr -fPIC -fno-rtti -fno-exceptions -Wall -Wpointer-arith -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor -Wcast-align -Wno-invalid-offsetof -Wno-variadic-macros -Werror=return-type -pedantic -Wno-long-long -fno-strict-aliasing -pthread -pipe -DNDEBUG -DTRIMMED -g -O3 -fstrict-aliasing -fno-stack-protector -fomit-frame-pointer -DUSE_SYSTEM_MALLOC=1 -DENABLE_ASSEMBLER=1 -DENABLE_JIT=1 -DMOZILLA_CLIENT -include ./js-confdefs.h -MD -MF .deps/jsstr.pp /home/sander/git/couch13/dependencies/spidermonkey/js/src/jsstr.cpp
STDERR {standard input}: Assembler messages:
STDERR {standard input}:17690: Warning: end of file not at end of a line; newline inserted
STDERR {standard input}:17947: Error: number of operands mismatch for xor' STDERR {standard input}: Error: open CFI at the end of file; missing .cfi_endproc directive STDERR c++: internal compiler error: Killed (program cc1plus) STDERR Please submit a full bug report, STDERR with preprocessed source if appropriate. STDERR See <file:///usr/share/doc/gcc-4.6/README.Bugs> for instructions. STDERR make[1]: *** [jsstr.o] Error 4 STDOUT make[1]: Leaving directory/tmp/tracemonkey_build20130401-30633-tjby22'
STDERR make: *** [default] Error 2
STDERR git checkout HEAD configure.in
STDERR git clean -df .
STDERR rake aborted!
STDERR Command failed with status (2): [make ...]
STDERR
STDERR Tasks: TOP => default => couchdb:build => couchdb:couchdb => tracemonkey:build => /home/sander/git/couch13/build/bin/js-config
STDERR (See full trace by running task with --trace)