On HP-UX 11.31, hppa, in 32-bit mode, with cc, I observe the following test failures:
1) Among the gnulib tests (both from the 'grep' snapshot, as well as from a gnulib testdir): FAIL: test-regex $ ./test-regex Assertion failed: err == REG_ESPACE, file ../../lib/regexec.c, line 1077 ABORT instruction (core dumped) 2) Among the grep tests: $ grep FAIL: tests/test-suite.log # XFAIL: 1 # FAIL: 18 FAIL: backref FAIL: backref-word FAIL: bre FAIL: case-fold-backref FAIL: case-fold-char-range FAIL: empty-line FAIL: ere FAIL: fedora FAIL: foad1 FAIL: inconsistent-range FAIL: match-lines FAIL: null-byte FAIL: posix-bracket FAIL: spencer1 FAIL: spencer1-locale XFAIL: triple-backref FAIL: unibyte-negated-circumflex FAIL: word-multi-file FAIL: write-error-msg Bruno