[TCWG CI] Regression caused by binutils: Automatic date update in version.in:
commit 27439f0edab99c6870cf7fe042074e47632f3fbd
Author: GDB Administrator <gdbad...@sourceware.org>

    Automatic date update in version.in

Results regressed to
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1 -- --set gcc_override_configure=--disable-libsanitizer --set 
gcc_override_configure=--disable-multilib --set 
gcc_override_configure=--with-cpu=cortex-m4 --set 
gcc_override_configure=--with-mode=thumb --set 
gcc_override_configure=--with-float=hard:
-8
# build_abe newlib:
-6
# build_abe stage2 -- --patch linaro-local/vect-metric-branch --set 
gcc_override_configure=--disable-libsanitizer --set 
gcc_override_configure=--disable-multilib --set 
gcc_override_configure=--with-cpu=cortex-m4 --set 
gcc_override_configure=--with-mode=thumb --set 
gcc_override_configure=--with-float=hard:
-5
# true:
0
# benchmark -- -O3_LTO_VECT_mthumb 
artifacts/build-27439f0edab99c6870cf7fe042074e47632f3fbd/results_id:
1

from
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1 -- --set gcc_override_configure=--disable-libsanitizer --set 
gcc_override_configure=--disable-multilib --set 
gcc_override_configure=--with-cpu=cortex-m4 --set 
gcc_override_configure=--with-mode=thumb --set 
gcc_override_configure=--with-float=hard:
-8
# build_abe newlib:
-6
# build_abe stage2 -- --patch linaro-local/vect-metric-branch --set 
gcc_override_configure=--disable-libsanitizer --set 
gcc_override_configure=--disable-multilib --set 
gcc_override_configure=--with-cpu=cortex-m4 --set 
gcc_override_configure=--with-mode=thumb --set 
gcc_override_configure=--with-float=hard:
-5
# true:
0
# benchmark -- -O3_LTO_VECT_mthumb artifacts/build-baseline/results_id:
1

THIS IS THE END OF INTERESTING STUFF.  BELOW ARE LINKS TO BUILDS, REPRODUCTION 
INSTRUCTIONS, AND THE RAW COMMIT.

This commit has regressed these CI configurations:
 - tcwg_bmk_gnu_eabi_stm32/gnu_eabi-release-arm_eabi-coremark-O3_LTO_VECT

First_bad build: 
https://ci.linaro.org/job/tcwg_bmk_ci_gnu_eabi-bisect-tcwg_bmk_stm32-gnu_eabi-release-arm_eabi-coremark-O3_LTO_VECT/2/artifact/artifacts/build-27439f0edab99c6870cf7fe042074e47632f3fbd/
Last_good build: 
https://ci.linaro.org/job/tcwg_bmk_ci_gnu_eabi-bisect-tcwg_bmk_stm32-gnu_eabi-release-arm_eabi-coremark-O3_LTO_VECT/2/artifact/artifacts/build-6060c2f3373e18f76fa9e3e4d7cf2f3d5983da03/
Baseline build: 
https://ci.linaro.org/job/tcwg_bmk_ci_gnu_eabi-bisect-tcwg_bmk_stm32-gnu_eabi-release-arm_eabi-coremark-O3_LTO_VECT/2/artifact/artifacts/build-baseline/
Even more details: 
https://ci.linaro.org/job/tcwg_bmk_ci_gnu_eabi-bisect-tcwg_bmk_stm32-gnu_eabi-release-arm_eabi-coremark-O3_LTO_VECT/2/artifact/artifacts/

Reproduce builds:
<cut>
mkdir investigate-binutils-27439f0edab99c6870cf7fe042074e47632f3fbd
cd investigate-binutils-27439f0edab99c6870cf7fe042074e47632f3fbd

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

# Fetch manifests and test.sh script
mkdir -p artifacts/manifests
curl -o artifacts/manifests/build-baseline.sh 
https://ci.linaro.org/job/tcwg_bmk_ci_gnu_eabi-bisect-tcwg_bmk_stm32-gnu_eabi-release-arm_eabi-coremark-O3_LTO_VECT/2/artifact/artifacts/manifests/build-baseline.sh
 --fail
curl -o artifacts/manifests/build-parameters.sh 
https://ci.linaro.org/job/tcwg_bmk_ci_gnu_eabi-bisect-tcwg_bmk_stm32-gnu_eabi-release-arm_eabi-coremark-O3_LTO_VECT/2/artifact/artifacts/manifests/build-parameters.sh
 --fail
curl -o artifacts/test.sh 
https://ci.linaro.org/job/tcwg_bmk_ci_gnu_eabi-bisect-tcwg_bmk_stm32-gnu_eabi-release-arm_eabi-coremark-O3_LTO_VECT/2/artifact/artifacts/test.sh
 --fail
chmod +x artifacts/test.sh

# Reproduce the baseline build (build all pre-requisites)
./jenkins-scripts/tcwg_bmk-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 27439f0edab99c6870cf7fe042074e47632f3fbd
../artifacts/test.sh

# Reproduce last_good build
git checkout --detach 6060c2f3373e18f76fa9e3e4d7cf2f3d5983da03
../artifacts/test.sh

cd ..
</cut>

Full commit (up to 1000 lines):
<cut>
commit 27439f0edab99c6870cf7fe042074e47632f3fbd
Author: GDB Administrator <gdbad...@sourceware.org>
Date:   Tue Sep 21 00:00:39 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 72a41aba322..338c1288a22 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 20210920
+#define BFD_VERSION_DATE 20210921
 #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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