Hi Richard,

This commit also caused x86_64 fail in the same testcase.

https://gcc.gnu.org/pipermail/gcc-regression/2023-November/078596.html

Is this on purpose or not?

Thx,
Haochen

> -----Original Message-----
> From: Gcc-regression <gcc-regression-
> bounces+haochen.jiang=intel....@gcc.gnu.org> On Behalf Of ci_notify--- via
> Gcc-regression
> Sent: Thursday, November 23, 2023 3:02 AM
> To: rguent...@suse.de
> Cc: ci_not...@linaro.org; gcc-regress...@gcc.gnu.org
> Subject: [Linaro-TCWG-CI] gcc-14-5759-g6bf66276e3e: FAIL: 3 regressions on
> arm
> 
> Dear contributor, our automatic CI has detected problems related to your
> patch(es).  Please find some details below.  If you have any questions, please
> follow up on linaro-toolchain@lists.linaro.org mailing list, Libera's 
> #linaro-tcwg
> channel, or ping your favourite Linaro toolchain developer on the usual 
> project
> channel.
> 
> In gcc_check master-arm after:
> 
>   | commit gcc-14-5759-g6bf66276e3e
>   | Author: Richard Biener <rguent...@suse.de>
>   | Date:   Wed Nov 22 11:10:41 2023 +0100
>   |
>   |     tree-optimization/112344 - wrong final value replacement
>   |
>   |     When performing final value replacement chrec_apply that's used to
>   |     compute the overall effect of niters to a CHREC doesn't consider that
>   |     the overall increment of { -2147483648, +, 2 } doesn't fit in
>   |     a signed integer when the loop iterates until the value of the IV
>   |     of 20.  The following fixes this mistake, carrying out the multiply
>   | ... 8 lines of the commit log omitted.
> 
> FAIL: 3 regressions
> 
> regressions.sum:
>               === gcc tests ===
> 
> Running gcc:gcc.dg/dg.exp ...
> FAIL: gcc.dg/Wstringop-overflow-17.c (test for warnings, line 16)
> FAIL: gcc.dg/Wstringop-overflow-17.c (test for warnings, line 9)
> 
> Running gcc:gcc.dg/vect/vect.exp ...
> FAIL: gcc.dg/vect/no-scevccp-noreassoc-outer-4.c scan-tree-dump-times vect
> "OUTER LOOP VECTORIZED." 1
> 
>               === Results Summary ===
> 
> You can find the failure logs in *.log.1.xz files in
>  - https://ci.linaro.org/job/tcwg_gcc_check--master-arm-
> build/1322/artifact/artifacts/00-sumfiles/ .
> The full lists of regressions and progressions are in
>  - https://ci.linaro.org/job/tcwg_gcc_check--master-arm-
> build/1322/artifact/artifacts/notify/ .
> The list of [ignored] baseline and flaky failures are in
>  - https://ci.linaro.org/job/tcwg_gcc_check--master-arm-
> build/1322/artifact/artifacts/sumfiles/xfails.xfail .
> 
> The configuration of this build is:
> CI config tcwg_gcc_check master-arm
> 
> -----------------8<--------------------------8<--------------------------8<----------------
> ----------
> The information below can be used to reproduce a debug environment:
> 
> Current build   : https://ci.linaro.org/job/tcwg_gcc_check--master-arm-
> build/1322/artifact/artifacts
> Reference build : https://ci.linaro.org/job/tcwg_gcc_check--master-arm-
> build/1321/artifact/artifacts
> 
> Reproduce last good and first bad builds: https://git-
> us.linaro.org/toolchain/ci/interesting-
> commits.git/plain/gcc/sha1/6bf66276e3e41d5d92f7b7260e98b6a1116538
> 05/tcwg_gcc_check/master-arm/reproduction_instructions.txt
> 
> Full commit : https://github.com/gcc-
> mirror/gcc/commit/6bf66276e3e41d5d92f7b7260e98b6a111653805
> 
> Latest bug report status : https://linaro.atlassian.net/browse/GNU-1033
> 
> List of configurations that regressed due to this commit :
> * tcwg_gcc_check
> ** master-arm
> *** FAIL: 3 regressions
> *** https://git-us.linaro.org/toolchain/ci/interesting-
> commits.git/plain/gcc/sha1/6bf66276e3e41d5d92f7b7260e98b6a1116538
> 05/tcwg_gcc_check/master-arm/details.txt
> *** https://ci.linaro.org/job/tcwg_gcc_check--master-arm-build/1322/
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