[Bug 196408] New: assembler errors on ARMv6

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=196408

            Bug ID: 196408
           Summary: assembler errors on ARMv6
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: Any
               URL: http://chips.ysv.freebsd.org/data/11armv6-11armv6/2014
                    -12-31_22h53m26s/logs/errors/libffi-3.0.13_3.log
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: arm
          Assignee: freebsd-arm at FreeBSD.org
          Reporter: sbruno at FreeBSD.org

newly updated head system building ports.  It looks like clang3.5 has a problem
with the assembler generated by libffi on ARMv6.libtool: compile: 
/nxb-bin/usr/bin/cc -DHAVE_CONFIG_H -I. -I.. -I. -I../include -Iinclude
-I../src -O -pipe -fno-strict-aliasing -Wall -fexceptions -MT
src/java_raw_api.lo -MD -MP -MF src/.deps/java_raw_api.Tpo -c
../src/java_raw_api.c -o src/java_raw_api.o >/dev/null 2>&1
depbase=`echo src/closures.lo | sed 's|[^/]*$|.deps/&|;s|\.lo$||'`; /bin/sh
./libtool --tag=CC    --mode=compile /nxb-bin/usr/bin/cc -DHAVE_CONFIG_H -I.
-I..   -I. -I../include -Iinclude -I../src   -O -pipe  -fno-strict-aliasing
-Wall -fexceptions -MT src/closures.lo -MD -MP -MF $depbase.Tpo -c -o
src/closures.lo ../src/closures.c && mv -f $depbase.Tpo $depbase.Plo
libtool: compile:  /nxb-bin/usr/bin/cc -DHAVE_CONFIG_H -I. -I.. -I.
-I../include -Iinclude -I../src -O -pipe -fno-strict-aliasing -Wall
-fexceptions -MT src/closures.lo -MD -MP -MF src/.deps/closures.Tpo -c
../src/closures.c  -fPIC -DPIC -o src/.libs/closures.o
libtool: compile:  /nxb-bin/usr/bin/cc -DHAVE_CONFIG_H -I. -I.. -I.
-I../include -Iinclude -I../src -O -pipe -fno-strict-aliasing -Wall
-fexceptions -MT src/closures.lo -MD -MP -MF src/.deps/closures.Tpo -c
../src/closures.c -o src/closures.o >/dev/null 2>&1
depbase=`echo src/arm/sysv.lo | sed 's|[^/]*$|.deps/&|;s|\.lo$||'`; /bin/sh
./libtool    --mode=compile /nxb-bin/usr/bin/cc -DHAVE_CONFIG_H -I. -I..   -I.
-I../include -Iinclude -I../src  -I. -I../include -Iinclude -I../src -O -pipe 
-fno-strict-aliasing -MT src/arm/sysv.lo -MD -MP -MF $depbase.Tpo -c -o
src/arm/sysv.lo ../src/arm/sysv.S && mv -f $depbase.Tpo $depbase.Plo
libtool: compile:  /nxb-bin/usr/bin/cc -DHAVE_CONFIG_H -I. -I.. -I.
-I../include -Iinclude -I../src -I. -I../include -Iinclude -I../src -O -pipe
-fno-strict-aliasing -MT src/arm/sysv.lo -MD -MP -MF src/arm/.deps/sysv.Tpo -c
../src/arm/sysv.S  -fPIC -DPIC -o src/arm/.libs/sysv.o
../src/arm/sysv.S:224:2: error: invalid instruction
 stmeqia r2, {r0, r1}
 ^
../src/arm/sysv.S:413:2: error: invalid instruction
 stmeqia r2, {r0, r1}
 ^
*** Error code 1

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