git bisect start
# status: waiting for both good and bad commits
# good: [24ea4539300d4926d9f073822e68f0d2f369452d] libstdc++: use if consteval in stable_sort
git bisect good 24ea4539300d4926d9f073822e68f0d2f369452d
# status: waiting for bad commit, 1 good commit known
# bad: [6570fa6f2612a4e4ddd2fcfc119369a1a48656e4] libstdc++: Work around C++20 tuple<tuple<any>> constraint recursion [PR116440]
git bisect bad 6570fa6f2612a4e4ddd2fcfc119369a1a48656e4
# skip: [3c5ed996ac94a15bc2929155f2c69cc85eef89f7] COBOL: Frontend
git bisect skip 3c5ed996ac94a15bc2929155f2c69cc85eef89f7
# good: [a0754187274a36443707eab5506ae53ab1d71ad2] COBOL: libgcobol
git bisect good a0754187274a36443707eab5506ae53ab1d71ad2
# good: [64a551f730564af58c83d2748436c9d90543fe1a] Abstract interfaces and dummy arguments are not global.
git bisect good 64a551f730564af58c83d2748436c9d90543fe1a
# good: [256060380c30e2d8ced63c2f04a0856d46b77343] libstdc++: Optimize basic_format_parse_context::check_dynamic_spec
git bisect good 256060380c30e2d8ced63c2f04a0856d46b77343
# good: [a68e32b8e4b4c03c81e3a4b7560d52fef2d16088] testsuite: Remove sve/pre_cond_share_1.c [PR115248]
git bisect good a68e32b8e4b4c03c81e3a4b7560d52fef2d16088
# bad: [c5e7cfc1d3dcfdbf9df871e16e9a6a447a32f271] Honor prefix and suffix when installing cobol binaries and man page.
git bisect bad c5e7cfc1d3dcfdbf9df871e16e9a6a447a32f271
# bad: [e5d54c33a257b3f7137f8408592df009dffb5711] aarch64: xfail pr109072_1.c's s16x4_2 [PR117092]
git bisect bad e5d54c33a257b3f7137f8408592df009dffb5711
# bad: [5967fe0dd1f3a49176740553cd147e99d6950895] libstdc++: Allow 'configure.host' to pre-set 'EXTRA_CFLAGS', 'EXTRA_CXX_FLAGS'
git bisect bad 5967fe0dd1f3a49176740553cd147e99d6950895
# bad: [7dae3f64c069b942b9abd768fd94af4b2cd0b781] match.pd: Fold ((X >> C1) & C2) * (1 << C1)
git bisect bad 7dae3f64c069b942b9abd768fd94af4b2cd0b781
# first bad commit: [7dae3f64c069b942b9abd768fd94af4b2cd0b781] match.pd: Fold ((X >> C1) & C2) * (1 << C1)
# first bad commit: [7dae3f64c069b942b9abd768fd94af4b2cd0b781] match.pd: Fold ((X >> C1) & C2) * (1 << C1)