Comment 6 for bug 838994

Created attachment 25022
preprocessed sources (ust-0.15/snprintf/vfprintf.c)

$ arm-linux-gnueabi-gcc -march=armv7-a /tmp/x2.c -c -O1
/tmp/x2.c: In function ‘ust_safe_vfprintf’:
/tmp/x2.c:4533:1: error: unrecognizable insn:
(insn 3114 3113 3115 139 (set (subreg:SI (reg/v:DI 153 [ _umax ]) 0)
        (sign_extend:SI (mem:QI (plus:SI (mult:SI (reg/v:SI 159 [ nextarg ])
                        (const_int 8 [0x8]))
                    (reg/f:SI 347 [ argtable.7 ])) [0 *D.5277_569+0 S1 A32]))) /tmp/x2.c:4325 -1
     (nil))
/tmp/x2.c:4533:1: internal compiler error: in extract_insn, at recog.c:2113
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

$ arm-linux-gnueabi-gcc -v
Using built-in specs.
COLLECT_GCC=arm-linux-gnueabi-gcc
COLLECT_LTO_WRAPPER=$P/sysroots/x86_64-oe-linux/usr/libexec/armv5te-linux-gnueabi/gcc/arm-linux-gnueabi/4.6.1/lto-wrapper
Target: arm-linux-gnueabi
Configured with: $P/work-shared/gcc-4.6.1+svnr175454/gcc-4_6-branch/configure --build=x86_64-oe-linux --host=x86_64-oe-linux --target=arm-linux-gnueabi --prefix=$P/sysroots/x86_64-oe-linux/usr --exec_prefix=$P/sysroots/x86_64-oe-linux/usr --bindir=$P/sysroots/x86_64-oe-linux/usr/bin/armv5te-linux-gnueabi --sbindir=$P/sysroots/x86_64-oe-linux/usr/bin/armv5te-linux-gnueabi --libexecdir=$P/sysroots/x86_64-oe-linux/usr/libexec/armv5te-linux-gnueabi --datadir=$P/sysroots/x86_64-oe-linux/usr/share --sysconfdir=$P/sysroots/x86_64-oe-linux/etc --sharedstatedir=$P/sysroots/x86_64-oe-linux/com --localstatedir=$P/sysroots/x86_64-oe-linux/var --libdir=$P/sysroots/x86_64-oe-linux/usr/lib/armv5te-linux-gnueabi --includedir=$P/sysroots/x86_64-oe-linux/usr/include --oldincludedir=$P/sysroots/x86_64-oe-linux/usr/include --infodir=$P/sysroots/x86_64-oe-linux/usr/share/info --mandir=$P/sysroots/x86_64-oe-linux/usr/share/man --disable-silent-rules --with-libtool-sysroot=$P/sysroots/x86_64-oe-linux --with-gnu-ld --enable-shared --enable-languages=c,c++ --enable-threads=posix --disable-multilib --enable-c99 --enable-long-long --enable-symvers=gnu --enable-libstdcxx-pch --program-prefix=arm-linux-gnueabi- --enable-target-optspace --enable-lto --enable-libssp --disable-bootstrap --disable-libgomp --disable-libmudflap --enable-cheaders=c_global --with-abi=aapcs-linux --with-float=soft --with-local-prefix=$P/sysroots/toradex-colibri320/usr --with-gxx-include-dir=/usr/include/c++ --with-sysroot=$P/sysroots/toradex-colibri320 --with-build-sysroot=$P/sysroots/toradex-colibri320 --enable-poison-system-directories --with-headers=$P/sysroots/toradex-colibri320/usr/include --disable-libunwind-exceptions --with-mpfr=$P/sysroots/x86_64-oe-linux/usr --with-system-zlib --enable-nls --enable-__cxa_atexit --enable-__cxa_atexit
Thread model: posix
gcc version 4.6.1 20110627 (prerelease) (GCC)

(it is the gcc-4.6 from OpenEmbedded Core)