Dear contributor,

Our automatic CI has detected problems related to your patch(es). Please find 
some details below.

In  armv8l-unknown-linux-gnueabihf native, after:
  | commit gcc-17-2276-ge2c4fc6b1cf
  | Author: Eikansh Gupta <[email protected]>
  | Date:   Thu Jul 9 07:24:31 2026 -0600
  | 
  |     [PATCH v3 1/2] MATCH: Simplify `(trunc)copysign ((extend)x, CST)` to 
`copysign (x, -1.0/1.0)` [PR112472]
  |     
  |     Add a pattern for `(trunc)copysign ((extend)x, CST)`.  Only the sign of
  |     CST matters, not its value, so it can be simplified to
  |     `copysign (x, -1.0/1.0)` depending on the sign of CST.
  | ... 11 lines of the commit log omitted.

Produces 4 regressions:
  | 
  | regressions.sum:
  | Running gcc:gcc.dg/tree-ssa/tree-ssa.exp ...
  | FAIL: gcc.dg/tree-ssa/pr112472.c scan-tree-dump-not optimized " double "
  | FAIL: gcc.dg/tree-ssa/pr112472.c scan-tree-dump-times optimized " ABS_EXPR 
" 1
  | FAIL: gcc.dg/tree-ssa/pr112472.c scan-tree-dump-times optimized "-1.0e\\+0" 
1
  | FAIL: gcc.dg/tree-ssa/pr112472.c scan-tree-dump-times optimized ".COPYSIGN" 
1

Used configuration :
 *CI config* tcwg_gcc_check armv8l-unknown-linux-gnueabihf
 *configure and test flags:* none, autodetected on 
armv8l-unknown-linux-gnueabihf--disable-multilib --with-float=hard 
--with-mode=thumb --with-tune=cortex-a9 --with-arch=armv7-a 
--with-fpu=neon-fp-armv8

We track this bug report under https://linaro.atlassian.net/browse/GNU-1962. 
(Require Linaro login) Please let us know if you have a fix.

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
 * 
http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10411/archive/artifacts/00-sumfiles/
The full lists of regressions and improvements as well as configure and make 
commands are in
 * 
http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10411/archive/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * 
http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10411/archive/artifacts/sumfiles/xfails.xfail

Current build   : 
http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10411/archive/artifacts/
Reference build : 
http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10410/archive/artifacts/

Instruction to reproduce the build : 
https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/e2c4fc6b1cff0d32dd7e6e4049d87c5193fea6dc/tcwg_gcc_check/master-arm/reproduction_instructions.txt

Full commit : See in git+ssh://[email protected]/git/gcc.git

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