Re: [ARM EABI] Adjust 'libgomp.c++/target-cdtor-{1,2}.C' for 'targetm.cxx.use_aeabi_atexit' [PR119853, PR119854] (was: [Linaro-TCWG-CI] gcc-16-130-gaafe942227b: 10 regressions on arm)

Maxim Kuvyrkov via Gcc-regression <[email protected]>
Newsgroups gmane.comp.gcc.regression,gmane.comp.gcc.patches,gmane.linux.linaro.toolchain
Message-ID <[email protected]>
> On Jul 18, 2025, at 23:51, Thomas Schwinge <[email protected]> wrote:
> 
> Hi!
> 
> On 2025-04-26T00:09:21+0000, ci_notify--- via Gcc-regression <[email protected]> wrote:
>> Our automatic CI has detected problems related to your patch(es). Please find some details below.
>> 
>> In gcc_check master-arm, after:
>>  | commit gcc-16-130-gaafe942227b
>>  | Author: Thomas Schwinge <[email protected]>
>>  | Date:   Wed Apr 23 10:51:48 2025 +0200
>>  | 
>>  |     GCN, nvptx offloading: Host/device compatibility: Itanium C++ ABI, DSO Object Destruction API [PR119853, PR119854]
>>  |     
>>  |     '__dso_handle' for '__cxa_atexit', '__cxa_finalize'.  See
>>  |     <https://itanium-cxx-abi.github.io/cxx-abi/abi.html#dso-dtor>.
>>  |     
>>  | ... 13 lines of the commit log omitted.
>> 
>> Produces 10 regressions:
>>  | 
>>  | regressions.sum:
>>  | Running libgomp:libgomp.c++/c++.exp ...
>>  | FAIL: libgomp.c++/target-cdtor-1.C scan-tree-dump-times optimized "gimple_call <__cxa_atexit, " 4
>>  | FAIL: libgomp.c++/target-cdtor-1.C scan-tree-dump-times optimized "gimple_call <__cxa_atexit, NULL, _ZN1SD1Ev, \\&sH1, \\&__dso_handle>" 1
>>  | FAIL: libgomp.c++/target-cdtor-1.C scan-tree-dump-times optimized "gimple_call <__cxa_atexit, NULL, _ZN1SD1Ev, \\&sH2, \\&__dso_handle>" 1
>>  | FAIL: libgomp.c++/target-cdtor-1.C scan-tree-dump-times optimized "gimple_call <__cxa_atexit, NULL, _ZN1SD1Ev, \\&sHD1, \\&__dso_handle>" 1
>>  | ... and 6 more
>> 
>> Used configuration :
>> *CI config* tcwg_gcc_check master-arm
>> *configure and test flags:* none, autodetected on armv8l-unknown-linux-gnueabihf
>> 
>> We track this bug report under https://linaro.atlassian.net/browse/GNU-1568.
> 

Hi Thomas,

> Is it expected that I'm not able to log into the Jira instance,

Yes, you can't log into Jira, but the regression cards are publicly accessible without a login.

> and that
> most of the links in there are either:
> 
> | Secure Connection Failed
> | 
> | An error occurred during a connection to git-us.linaro.org. Cannot communicate securely with peer: no common encryption algorithm(s).
> 
> ..., or:
> 
> | Oops!
> | 
> | Not Found
> | 
> | This page may not exist, or you may not have permission to see it.

This is a known problem that we are fixing.  We are migrating away from git*.linaro.org <http://linaro.org/> servers to gitlab.com <http://gitlab.com/>, but we haven't updated the links yet.  Sorry!

> 
>> Please let us know if you have a fix.
> 
> I should have a fix: the attached
> "Adjust 'libgomp.c++/target-cdtor-{1,2}.C' for 'targetm.cxx.use_aeabi_atexit' [PR119853, PR119854]"
> ought to address this.  I've "mock-tested" this locally; is there a way
> for me to run this through the Linaro "pre-commit" CI?
> 

Hi Christophe,

Would you please give Thomas's patch a go?

Thanks!

--
Maxim Kuvyrkov
https://www.linaro.org


> 
> Grüße
> Thomas
> 
> 
>> If you have any questions regarding this report, please ask on [email protected] mailing list.
>> 
>> -----------------8<--------------------------8<--------------------------8<--------------------------
>> 
>> The information below contains the details of the failures, and the ways to reproduce a debug environment:
>> 
>> You can find the failure logs in *.log.1.xz files in
>> * https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/3752/artifact/artifacts/00-sumfiles/
>> The full lists of regressions and improvements as well as configure and make commands are in
>> * https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/3752/artifact/artifacts/notify/
>> The list of [ignored] baseline and flaky failures are in
>> * https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/3752/artifact/artifacts/sumfiles/xfails.xfail
>> 
>> Current build   : https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/3752/artifact/artifacts
>> Reference build : https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/3751/artifact/artifacts
>> 
>> Instruction to reproduce the build : https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/aafe942227baf8c2bcd4cac2cb150e49a4b895a9/tcwg_gcc_check/master-arm/reproduction_instructions.txt
>> 
>> Full commit : https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=aafe942227baf8c2bcd4cac2cb150e49a4b895a9
> 
> 
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