Hi Renlin, > gas/ChangeLog: > > 2016-11-17 Renlin Li <renlin.li@arm.com> > > * config/tc-arm.c (encode_arm_shift): Don't assert for operands not > presented. > * testsuite/gas/arm/add-shift-two.d: New. > * testsuite/gas/arm/add-shift-two.s: New. Approved - please apply. Cheers Nick