More on this: > On HP-UX hppa (both 32-bit and 64-bit mode), regex and grep are broken.
The result in different gnulib versions is the same (HP-UX hppa, 32-bit): Version Result ----------------------------------------- 20140101 crash in regexec.c, line 1123 20150101 crash in regexec.c, line 1123 20160101 crash in regexec.c, line 1123 20170101 crash in regexec.c, line 1104 20180101 crash in regexec.c, line 1073 20181216 crash in regexec.c, line 1077 (even with today's fix by Assaf+Paul) Bruno