[Linaro-TCWG-CI] gcc-17-2814-g3754582630f: 1 regression on arm

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-17-2814-g3754582630f
  | Author: Jakub Jelinek <[email protected]>
  | Date:   Thu Jul 30 09:56:41 2026 +0200
  | 
  |     range-op-float: Fix up inf handling in reverse narrowing float to float cast [PR126464]
  |     
  |     The following testcase is miscompiled since my r16-1108 change.
  |     The problem is if we handle a reverse of a narrowing float to float cast
  |     (in the example there are double -> float and long double -> double
  | ... 25 lines of the commit log omitted.

Produces 1 regression:
  | 
  | regressions.sum:
  | Running gcc:gcc.dg/dg.exp ...
  | FAIL: gcc.dg/pr126464.c (test for excess errors)

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-1982. (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.

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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/10473/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/10473/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/10473/archive/artifacts/sumfiles/xfails.xfail

Current build   : http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10473/archive/artifacts/
Reference build : http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10472/archive/artifacts/

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/3754582630fa1eeff44a39f656ba0c7db6e58d0d/tcwg_gcc_check/master-arm/reproduction_instructions.txt

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