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Would be nice if such a mail contained more helpful information. > * master-arm-bootstrap_O3 > ** Failure after gdb-12-branchpoint-3046-g969b9a36506: gas: re-work line number tracking for macros and their expansions: > ** https://ci.linaro.org/job/tcwg_gcc_bootstrap-build-master-arm-bootstrap_O3/561/ > > Bad build: https://ci.linaro.org/job/tcwg_gcc_bootstrap-build-master-arm-bootstrap_O3/561/artifact/artifacts Following this link allows me to prove the suspicion, but the artifacts don't include any object files, so I can't look at their differences. Re-creating the apparently problematic assembler input from gcc sources and passing it through the assembler multiple times doesn't yield any difference here. Hence I'm lost as to investigating this breakage, and I have the at least vague feeling that my change may merely have uncovered an issue which was latently there already before. Suggestions very welcome, Jan > Good build: https://ci.linaro.org/job/tcwg_gcc_bootstrap-build-master-arm-bootstrap_O3/560/artifact/artifacts > > Reproduce current build: > > mkdir -p investigate-binutils-969b9a36506bfb386f8ce30f88f1a6a6ebbaca6e > cd investigate-binutils-969b9a36506bfb386f8ce30f88f1a6a6ebbaca6e > > # Fetch scripts > git clone https://git.linaro.org/toolchain/jenkins-scripts > > # Fetch manifests for bad and good builds > mkdir -p bad/artifacts good/artifacts > curl -o bad/artifacts/manifest.sh https://ci.linaro.org/job/tcwg_gcc_bootstrap-build-master-arm-bootstrap_O3/561/artifact/artifacts/manifest.sh --fail > curl -o good/artifacts/manifest.sh https://ci.linaro.org/job/tcwg_gcc_bootstrap-build-master-arm-bootstrap_O3/560/artifact/artifacts/manifest.sh --fail > > # Reproduce bad build > (cd bad; ../jenkins-scripts/tcwg_gnu-build.sh ^^ true %%rr[top_artifacts] artifacts) > # Reproduce good build > (cd good; ../jenkins-scripts/tcwg_gnu-build.sh ^^ true %%rr[top_artifacts] artifacts) >