Successfully identified regression in *gcc* in CI configuration
tcwg_bmk_gnu_tk1/gnu-master-arm-spec2k6-O3. So far, this commit has regressed
CI configurations:
- tcwg_bmk_gnu_tk1/gnu-master-arm-spec2k6-O3
Culprit:
<cut>
commit 5b759cdcb7f863520346e5bf63fcf1d3746c2cc3
Author: Jason Merrill <ja...@redhat.com>
Date: Sat Jul 10 05:45:02 2021 -0400
c++: pretty-print TYPE_PACK_EXPANSION better
gcc/cp/ChangeLog:
* ptree.c (cxx_print_type) [TYPE_PACK_EXPANSION]: Also print
PACK_EXPANSION_PATTERN.
</cut>
Results regressed to (for first_bad == 5b759cdcb7f863520346e5bf63fcf1d3746c2cc3)
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1 -- --set gcc_override_configure=--with-mode=arm --set
gcc_override_configure=--disable-libsanitizer:
-8
# build_abe linux:
-7
# build_abe glibc:
-6
# build_abe stage2 -- --set gcc_override_configure=--with-mode=arm --set
gcc_override_configure=--disable-libsanitizer:
-5
# true:
0
# benchmark -- -O3_marm
artifacts/build-5b759cdcb7f863520346e5bf63fcf1d3746c2cc3/results_id:
1
# 483.xalancbmk,[.] _ZN11xercesc_2_510ValueStore13isDuplicateOf regressed by 111
from (for last_good == 4c4249b71de3b15ba1e176ce90a57fb7bc54b917)
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1 -- --set gcc_override_configure=--with-mode=arm --set
gcc_override_configure=--disable-libsanitizer:
-8
# build_abe linux:
-7
# build_abe glibc:
-6
# build_abe stage2 -- --set gcc_override_configure=--with-mode=arm --set
gcc_override_configure=--disable-libsanitizer:
-5
# true:
0
# benchmark -- -O3_marm
artifacts/build-4c4249b71de3b15ba1e176ce90a57fb7bc54b917/results_id:
1
Artifacts of last_good build:
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm-spec2k6-O3/37/artifact/artifacts/build-4c4249b71de3b15ba1e176ce90a57fb7bc54b917/
Results ID of last_good:
tk1_32/tcwg_bmk_gnu_tk1/bisect-gnu-master-arm-spec2k6-O3/2632
Artifacts of first_bad build:
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm-spec2k6-O3/37/artifact/artifacts/build-5b759cdcb7f863520346e5bf63fcf1d3746c2cc3/
Results ID of first_bad:
tk1_32/tcwg_bmk_gnu_tk1/bisect-gnu-master-arm-spec2k6-O3/2639
Build top page/logs:
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm-spec2k6-O3/37/
Configuration details:
Reproduce builds:
<cut>
mkdir investigate-gcc-5b759cdcb7f863520346e5bf63fcf1d3746c2cc3
cd investigate-gcc-5b759cdcb7f863520346e5bf63fcf1d3746c2cc3
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_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm-spec2k6-O3/37/artifact/artifacts/manifests/build-baseline.sh
--fail
curl -o artifacts/manifests/build-parameters.sh
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm-spec2k6-O3/37/artifact/artifacts/manifests/build-parameters.sh
--fail
curl -o artifacts/test.sh
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm-spec2k6-O3/37/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 /gcc/ ./ ./bisect/baseline/
cd gcc
# Reproduce first_bad build
git checkout --detach 5b759cdcb7f863520346e5bf63fcf1d3746c2cc3
../artifacts/test.sh
# Reproduce last_good build
git checkout --detach 4c4249b71de3b15ba1e176ce90a57fb7bc54b917
../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_bmk_gnu_tk1/gnu-master-arm-spec2k6-O3
Artifacts:
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm-spec2k6-O3/37/artifact/artifacts/
Build log:
https://ci.linaro.org/job/tcwg_bmk_ci_gnu-bisect-tcwg_bmk_tk1-gnu-master-arm-spec2k6-O3/37/consoleText
Full commit (up to 1000 lines):
<cut>
commit 5b759cdcb7f863520346e5bf63fcf1d3746c2cc3
Author: Jason Merrill <ja...@redhat.com>
Date: Sat Jul 10 05:45:02 2021 -0400
c++: pretty-print TYPE_PACK_EXPANSION better
gcc/cp/ChangeLog:
* ptree.c (cxx_print_type) [TYPE_PACK_EXPANSION]: Also print
PACK_EXPANSION_PATTERN.
---
gcc/cp/ptree.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/gcc/cp/ptree.c b/gcc/cp/ptree.c
index 33b73fb24b6..7f140f5f06b 100644
--- a/gcc/cp/ptree.c
+++ b/gcc/cp/ptree.c
@@ -171,6 +171,7 @@ cxx_print_type (FILE *file, tree node, int indent)
return;
case TYPE_PACK_EXPANSION:
+ print_node (file, "pattern", PACK_EXPANSION_PATTERN (node), indent + 4);
print_node (file, "args", PACK_EXPANSION_EXTRA_ARGS (node), indent + 4);
return;
</cut>
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