Dear contributor,

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

In  arm-eabi cortex-m3 softfp, after:
  | commit gcc-16-3379-gc77d79785d3
  | Author: David Faust <[email protected]>
  | Date:   Wed Aug 6 09:24:40 2025 -0700
  | 
  |     ctf: avoid overflow for array num elements [PR121411]
  |     
  |     CTF array encoding uses uint32 for number of elements.  This means there
  |     is a hard upper limit on array types which the format can represent.
  |     
  | ... 17 lines of the commit log omitted.

Produces 5 regressions:
  | 
  | regressions.sum:
  | Running gcc:gcc.dg/debug/ctf/ctf.exp ...
  | FAIL: gcc.dg/debug/ctf/ctf-array-7.c (test for excess errors)
  | UNRESOLVED: gcc.dg/debug/ctf/ctf-array-7.c scan-assembler-times 
0x12000000[\t ]+[^\n]*ctt_info 2
  | UNRESOLVED: gcc.dg/debug/ctf/ctf-array-7.c scan-assembler-times 
0x2000000[\t ]+[^\n]*ctt_info 1
  | UNRESOLVED: gcc.dg/debug/ctf/ctf-array-7.c scan-assembler-times [\t 
]+0xab[\t ]+[^\n]*cta_nelems 1
  | ... and 1 more

Used configuration :
 *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv7-m 
-mtune=cortex-m3 -mfloat-abi=softfp -mfpu=auto
 *configure and test flags:* --target arm-eabi --disable-multilib 
--with-mode=thumb --with-cpu=cortex-m3 --with-float=softfp 
--target_board=-mthumb/-march=armv7-m/-mtune=cortex-m3/-mfloat-abi=softfp/-mfpu=auto
 qemu_cpu=cortex-m3

We track this bug report under https://linaro.atlassian.net/browse/GNU-1665. 
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
 * 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m3_softfp_eabi-build/499/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_gnu_embed_check_gcc--master-thumb_m3_softfp_eabi-build/499/artifact/artifacts/notify/
The list of [ignored] baseline and flaky failures are in
 * 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m3_softfp_eabi-build/499/artifact/artifacts/sumfiles/xfails.xfail

Current build   : 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m3_softfp_eabi-build/499/artifact/artifacts
Reference build : 
https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m3_softfp_eabi-build/498/artifact/artifacts

Instruction to reproduce the build : 
https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/c77d79785d32b30502c8bcd6aa53b63d715bb124/tcwg_gnu_embed_check_gcc/master-thumb_m3_softfp_eabi/reproduction_instructions.txt

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

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