https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66827
--- Comment #9 from Nick Clifton <nickc at gcc dot gnu.org> --- Author: nickc Date: Mon Dec 21 08:23:35 2015 New Revision: 231873 URL: https://gcc.gnu.org/viewcvs?rev=231873&root=gcc&view=rev Log: PR 66827 * regex.c (EXTRACT_NUMBER): Cast sign byte to unsigned before left shifting. Modified: trunk/libiberty/ChangeLog trunk/libiberty/regex.c