[llvm-dev] [cfe-dev] Recent clang regressions

Tue Sep 20 15:29:44 PDT 2016

I get some failing tests from compiler-rt.

FAIL: cfi :: cross-dso/stats.cpp (30831 of 30893)
******************** TEST 'cfi :: cross-dso/stats.cpp' FAILED
********************
Script:
--
/usr/local/google/home/prazek/llvm-build-release/./bin/clang -fuse-ld=gold
-flto -fsanitize=cfi -fwhole-program-vtables --driver-mode=g++
-fsanitize-cfi-cross-dso -fvisibility=default -DSHARED_LIB -fPIC -g
-fsanitize-stats -shared -o
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Devirt/cross-dso/Output/
stats.cpp.tmp.so
/usr/local/google/home/prazek/llvm/projects/compiler-rt/test/cfi/cross-dso/stats.cpp
/usr/local/google/home/prazek/llvm-build-release/./bin/clang -fuse-ld=gold
-flto -fsanitize=cfi -fwhole-program-vtables --driver-mode=g++
-fsanitize-cfi-cross-dso -fvisibility=default -g -fsanitize-stats -o
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Devirt/cross-dso/Output/stats.cpp.tmp
/usr/local/google/home/prazek/llvm/projects/compiler-rt/test/cfi/cross-dso/stats.cpp
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Devirt/cross-dso/Output/
stats.cpp.tmp.so
env
SANITIZER_STATS_PATH=/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Devirt/cross-dso/Output/stats.cpp.tmp.stats
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Devirt/cross-dso/Output/stats.cpp.tmp
sanstats
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Devirt/cross-dso/Output/stats.cpp.tmp.stats
| FileCheck
/usr/local/google/home/prazek/llvm/projects/compiler-rt/test/cfi/cross-dso/stats.cpp
--
Exit Code: 254

Command Output (stderr):
--
clang-4.0: error: unable to execute command: Segmentation fault (core
dumped)
clang-4.0: error: linker command failed due to signal (use -v to see
invocation)

--

********************
Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: cfi :: cross-dso/stats.cpp (30832 of 30893)
******************** TEST 'cfi :: cross-dso/stats.cpp' FAILED
********************
Script:
--
/usr/local/google/home/prazek/llvm-build-release/./bin/clang -fuse-ld=gold
-flto -fsanitize=cfi --driver-mode=g++ -fsanitize-cfi-cross-dso
-fvisibility=default -DSHARED_LIB -fPIC -g -fsanitize-stats -shared -o
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Standalone/cross-dso/Output/
stats.cpp.tmp.so
/usr/local/google/home/prazek/llvm/projects/compiler-rt/test/cfi/cross-dso/stats.cpp
/usr/local/google/home/prazek/llvm-build-release/./bin/clang -fuse-ld=gold
-flto -fsanitize=cfi --driver-mode=g++ -fsanitize-cfi-cross-dso
-fvisibility=default -g -fsanitize-stats -o
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Standalone/cross-dso/Output/stats.cpp.tmp
/usr/local/google/home/prazek/llvm/projects/compiler-rt/test/cfi/cross-dso/stats.cpp
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Standalone/cross-dso/Output/
stats.cpp.tmp.so
env
SANITIZER_STATS_PATH=/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Standalone/cross-dso/Output/stats.cpp.tmp.stats
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Standalone/cross-dso/Output/stats.cpp.tmp
sanstats
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Standalone/cross-dso/Output/stats.cpp.tmp.stats
| FileCheck
/usr/local/google/home/prazek/llvm/projects/compiler-rt/test/cfi/cross-dso/stats.cpp
--
Exit Code: 254

Command Output (stderr):
--
clang-4.0: error: unable to execute command: Segmentation fault (core
dumped)
clang-4.0: error: linker command failed due to signal (use -v to see
invocation)

--

********************
Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: cfi :: stats.cpp (30849 of 30893)
******************** TEST 'cfi :: stats.cpp' FAILED ********************
Script:
--
/usr/local/google/home/prazek/llvm-build-release/./bin/clang -fuse-ld=gold
-flto -fsanitize=cfi --driver-mode=g++ -fvisibility=hidden -g
-fsanitize-stats -o
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Standalone/Output/stats.cpp.tmp
/usr/local/google/home/prazek/llvm/projects/compiler-rt/test/cfi/stats.cpp
env
SANITIZER_STATS_PATH=/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Standalone/Output/stats.cpp.tmp.stats
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Standalone/Output/stats.cpp.tmp
sanstats
/usr/local/google/home/prazek/llvm-build-release/projects/compiler-rt/test/cfi/Standalone/Output/stats.cpp.tmp.stats
| FileCheck
/usr/local/google/home/prazek/llvm/projects/compiler-rt/test/cfi/stats.cpp
--
Exit Code: 254

Command Output (stderr):
--
clang-4.0: error: unable to execute command: Segmentation fault (core
dumped)
clang-4.0: error: linker command failed due to signal (use -v to see
invocation)

--

********************
Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
Testing Time: 80.45s
********************
Failing Tests (3):
    cfi :: cross-dso/stats.cpp
    cfi :: cross-dso/stats.cpp
    cfi :: stats.cpp

2016-09-20 13:37 GMT-07:00 Nico Weber <thakis at chromium.org>:

> http://lab.llvm.org:8011/console looks reasonably green to me at the
> moment, so I'm not sure what "some test failing" means.
>
> The bug you linked to had an update from today, so it seems to be active.
>
> On Tue, Sep 20, 2016 at 2:59 PM, Piotr Padlewski via cfe-dev <
> cfe-dev at lists.llvm.org> wrote:
>
>> There seem to be some recent regressions in clang/llvm. I see some test
>> failing, and there is also this issue:
>> https://llvm.org/bugs/show_bug.cgi?id=30466
>>
>> Is anyone working on it?
>>
>> Piotr
>>
>> _______________________________________________
>> cfe-dev mailing list
>> cfe-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>>
>>
>
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