Successfully identified regression in *binutils* in CI configuration 
tcwg_gcc_bootstrap/master-aarch64-bootstrap_profiled.  So far, this commit has 
regressed CI configurations:
 - tcwg_gcc_bootstrap/master-aarch64-bootstrap_profiled

Culprit:
<cut>
commit a12ea97b9dab8eedf411fc5052ffaa8be29f5d36
Author: GDB Administrator <gdbad...@sourceware.org>
Date:   Mon Aug 23 00:00:07 2021 +0000

    Automatic date update in version.in
</cut>

Results regressed to (for first_bad == a12ea97b9dab8eedf411fc5052ffaa8be29f5d36)
# reset_artifacts:
-10
# true:
0
# First few build errors in logs:

from (for last_good == fe7f0b013526b30ef657c5ad34a3c622a54499ac)
# reset_artifacts:
-10
# true:
0
# build_abe binutils:
1
# build_abe bootstrap_profiled:
2

Artifacts of last_good build: 
https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-aarch64-bootstrap_profiled/3/artifact/artifacts/build-fe7f0b013526b30ef657c5ad34a3c622a54499ac/
Artifacts of first_bad build: 
https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-aarch64-bootstrap_profiled/3/artifact/artifacts/build-a12ea97b9dab8eedf411fc5052ffaa8be29f5d36/
Build top page/logs: 
https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-aarch64-bootstrap_profiled/3/

Configuration details:


Reproduce builds:
<cut>
mkdir investigate-binutils-a12ea97b9dab8eedf411fc5052ffaa8be29f5d36
cd investigate-binutils-a12ea97b9dab8eedf411fc5052ffaa8be29f5d36

git clone https://git.linaro.org/toolchain/jenkins-scripts

mkdir -p artifacts/manifests
curl -o artifacts/manifests/build-baseline.sh 
https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-aarch64-bootstrap_profiled/3/artifact/artifacts/manifests/build-baseline.sh
 --fail
curl -o artifacts/manifests/build-parameters.sh 
https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-aarch64-bootstrap_profiled/3/artifact/artifacts/manifests/build-parameters.sh
 --fail
curl -o artifacts/test.sh 
https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-aarch64-bootstrap_profiled/3/artifact/artifacts/test.sh
 --fail
chmod +x artifacts/test.sh

# Reproduce the baseline build (build all pre-requisites)
./jenkins-scripts/tcwg_gnu-build.sh @@ artifacts/manifests/build-baseline.sh

# Save baseline build state (which is then restored in artifacts/test.sh)
mkdir -p ./bisect
rsync -a --del --delete-excluded --exclude /bisect/ --exclude /artifacts/ 
--exclude /binutils/ ./ ./bisect/baseline/

cd binutils

# Reproduce first_bad build
git checkout --detach a12ea97b9dab8eedf411fc5052ffaa8be29f5d36
../artifacts/test.sh

# Reproduce last_good build
git checkout --detach fe7f0b013526b30ef657c5ad34a3c622a54499ac
../artifacts/test.sh

cd ..
</cut>

History of pending regressions and results: 
https://git.linaro.org/toolchain/ci/base-artifacts.git/log/?h=linaro-local/ci/tcwg_gcc_bootstrap/master-aarch64-bootstrap_profiled

Artifacts: 
https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-aarch64-bootstrap_profiled/3/artifact/artifacts/
Build log: 
https://ci.linaro.org/job/tcwg_gcc_bootstrap-bisect-master-aarch64-bootstrap_profiled/3/consoleText

Full commit (up to 1000 lines):
<cut>
commit a12ea97b9dab8eedf411fc5052ffaa8be29f5d36
Author: GDB Administrator <gdbad...@sourceware.org>
Date:   Mon Aug 23 00:00:07 2021 +0000

    Automatic date update in version.in
---
 bfd/version.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bfd/version.h b/bfd/version.h
index d22e02c7fd4..66d43d6f3a1 100644
--- a/bfd/version.h
+++ b/bfd/version.h
@@ -16,7 +16,7 @@
 
    In releases, the date is not included in either version strings or
    sonames.  */
-#define BFD_VERSION_DATE 20210822
+#define BFD_VERSION_DATE 20210823
 #define BFD_VERSION @bfd_version@
 #define BFD_VERSION_STRING  @bfd_version_package@ @bfd_version_string@
 #define REPORT_BUGS_TO @report_bugs_to@
</cut>
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