NOTE: package mtd-utils-1.2.0+git-r4: task do_compile: started
ERROR: function do_compile failed
ERROR: log data follows (/export2/lunn/fab4/squeezeos/poky/build/tmp/work/armv6-poky-linux-gnueabi/mtd-utils-1.2.0+git-r4/temp/log.do_compile.9274)
| NOTE: make CC=ccache arm-poky-linux-gnueabi-gcc -march=armv6j -mtune=arm1136jf-s -mfloat-abi=softfp -mfpu=vfp -mthumb-interwork -mthumb CFLAGS= -fexpensive-optimizations -fomit-frame-pointer -frename-registers -O2 -ggdb -feliminate-unused-debug-types -I/export2/lunn/fab4/squeezeos/poky/build/tmp/work/armv6-poky-linux-gnueabi/mtd-utils-1.2.0+git-r4/git//include -Iinclude -Isrc -DWITHOUT_XATTR RAWTARGETS=flash_eraseall nanddump nandwrite nandtest
| mkdir -p .
| ccache arm-poky-linux-gnueabi-gcc -march=armv6j -mtune=arm1136jf-s -mfloat-abi=softfp -mfpu=vfp -mthumb-interwork -mthumb -I./include   -fexpensive-optimizations -fomit-frame-pointer -frename-registers -O2 -ggdb -feliminate-unused-debug-types -I/export2/lunn/fab4/squeezeos/poky/build/tmp/work/armv6-poky-linux-gnueabi/mtd-utils-1.2.0+git-r4/git//include -Iinclude -Isrc -DWITHOUT_XATTR -c -o crc32.o crc32.c -g -Wp,-MD,./.crc32.c.dep
| mkdir -p .

[snip]

| ccache arm-poky-linux-gnueabi-gcc -march=armv6j -mtune=arm1136jf-s -mfloat-abi=softfp -mfpu=vfp -mthumb-interwork -mthumb -fexpensive-optimizations -fomit-frame-pointer -frename-registers -O2 -ggdb -feliminate-unused-debug-types -I/export2/lunn/fab4/squeezeos/poky/build/tmp/work/armv6-poky-linux-gnueabi/mtd-utils-1.2.0+git-r4/git//include -Iinclude -Isrc -DWITHOUT_XATTR src/libiniparser.c -c -o libiniparser.o
| src/libiniparser.c: In function 'iniparser_load':
| src/libiniparser.c:628: error: unrecognizable insn:
| (insn 161 160 162 15 src/libiniparser.c:577 (set (reg:SI 172)
|         (const_int 2305843009213693951 [0x1fffffffffffffff])) -1 (nil)
|     (nil))
| src/libiniparser.c:628: internal compiler error: in extract_insn, at recog.c:2077
| Please submit a full bug report,
| with preprocessed source if appropriate.
| See <URL:http://gcc.gnu.org/bugs.html> for instructions.
| make[1]: *** [libiniparser.o] Error 1
| rm ubinfo.o ubimkvol.o ubiupdatevol.o ubidetach.o ubirmvol.o ubiattach.o
| make[1]: Leaving directory `/export2/lunn/fab4/squeezeos/poky/build/tmp/work/armv6-poky-linux-gnueabi/mtd-utils-1.2.0+git-r4/git/ubi-utils/new-utils'
| make: *** [all] Error 2
| rm nandwrite.o nandtest.o nanddump.o
| FATAL: oe_runmake failed

There is no inline assembler here, so it looks like the compiler and the assembler are not agreeing on the instruction set!