spawn -ignore SIGHUP /home/dave/gnu/gcc/objdir64/gcc/testsuite/g++2/../../xg++ -
B/home/dave/gnu/gcc/objdir64/gcc/testsuite/g++2/../../ /home/dave/gnu/gcc/gcc/gcc/testsuite/g++.dg/pch/line-map-3.C -fdiagnostics-plain-output -nostdinc++ -I/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include/hppa64-hp-hpux11.11 -I/home/dave/gnu/gcc/objdir64/hppa64-hp-hpux11.11/libstdc++-v3/include -I/home/dave/gnu/gcc/gcc/libstdc++-v3/libsupc++ -I/home/dave/gnu/gcc/gcc/libstdc++-v3/include/backward -I/home/dave/gnu/gcc/gcc/libstdc++-v3/testsuite/util -fmessage-length=0 -g -I. -Dwith_PCH -Werror=unused-macros -S -o line-map-3.s
/home/dave/gnu/gcc/gcc/gcc/testsuite/g++.dg/pch/line-map-3.C:3:9: error: macro "UNUSED_MACRO" is not used [-Werror=unused-macros]
/home/dave/gnu/gcc/gcc/gcc/testsuite/g++.dg/pch/line-map-3.C:3:9: error: macro "with_PCH" is not used [-Werror=unused-macros]
cc1plus: some warnings being treated as errors
compiler exited with status 1
XFAIL: g++.dg/pch/line-map-3.C  -g -I. -Dwith_PCH  (test for errors, line 1)
XPASS: g++.dg/pch/line-map-3.C  -g -I. -Dwith_PCH  (test for bogus messages, line 2)
XPASS: g++.dg/pch/line-map-3.C  -g -I. -Dwith_PCH  at line 17 (test for bogus messages, line 2)
PASS: g++.dg/pch/line-map-3.C  -g -I. -Dwith_PCH  dg-regexp 23 was found: "[^[:space:]]*: some warnings being treated as errors"
FAIL: g++.dg/pch/line-map-3.C  -g -I. -Dwith_PCH (test for excess errors)
Excess errors:
/home/dave/gnu/gcc/gcc/gcc/testsuite/g++.dg/pch/line-map-3.C:3:9: error: macro "UNUSED_MACRO" is not used [-Werror=unused-macros]
/home/dave/gnu/gcc/gcc/gcc/testsuite/g++.dg/pch/line-map-3.C:3:9: error: macro "with_PCH" is not used [-Werror=unused-macros]

Commit bad991a1c59 was okay.

Similar fails:
FAIL: g++.dg/pch/line-map-3.C  -O2 -g -I. -Dwith_PCH (test for excess errors)
FAIL: g++.dg/pch/line-map-3.C  -O2 -I. -Dwith_PCH (test for excess errors)