[TCWG CI] 602.gcc_s fails to run after llvmorg-17-init-4880-gf242291f59bf

[Maxim Kuvyrkov]

Hi Alexandros,

Linaro benchmarking CI flagged this patch.  After it clang seems to miscompile 
602.gcc_s from SPEC CPU2017 for  "-O3 -flto" on aarch64-linux-gnu.  Also, it 
appears that 600.perlbench_s slows down by 9%.

Could you investigate, please?  Let me know if you need any assistance in 
reproducing the problem.

Our Benchmarking CI is still in active development, and there are false 
positives, but this report seems to be legit [1].

Kind regards,

[1] 
https://ci.linaro.org/job/tcwg_bmk-code_speed-cpu2017speed--llvm-aarch64-master-O3_LTO-build/21/artifact/artifacts/mail/mail-body.txt/*view*/

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




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[ACTIVITY] report week ending 6 Apr

[Peter Maydell]

Progress:
 * UM-2 [QEMU upstream maintainership]
  * rc3 this week
  * reworked my "deprecate the misleading -singlestep option"
patchset to deal with review feedback, sent out v2
  * KVM Forum programme committee work
  * investigated a regression where the mps3-an547 board
asserts on startup; for 8.0 we will just revert the change
that introduced the failure, since it was only an optimization
  * some triage of Coverity issue reports; sent some patches for
some easy ones, queried original code submitter for others

-- PMM
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