Dear contributor,

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

In bootstrap_build master-arm-bootstrap_O3, after:
  | commit gcc-16-3091-gac4e7455a33
  | Author: David Malcolm <dmalc...@redhat.com>
  | Date:   Fri Aug 8 16:55:45 2025 -0400
  | 
  |     diagnostics: revamp of dumping of "diagnostics" internal state
  |     
  |     The diagnostics subsystem has a handy dump feature, usable
  |     during debugging via
  |     
  | ... 61 lines of the commit log omitted.

Produces Failure:
  | Results changed to
  | # reset_artifacts:
  | -10
  | # true:
  | 0
  | # build_abe bootstrap_O3:
  | # FAILED
  | # First few build errors in logs:
  | # 00:03:52 ../../../../../../gcc/gcc/diagnostics/dumping.cc:98:1: error: 
redefinition of ‘void diagnostics::dumping::emit_field(FILE*, int, const char*, 
T) [with T = unsigned int; FILE = FILE]’
  | # 00:03:52 make[3]: *** [Makefile:1211: diagnostics/dumping.o] Error 1
  | # 00:03:52 make[2]: *** [Makefile:5079: all-stage1-gcc] Error 2
  | # 00:03:52 make[1]: *** [Makefile:25557: stage1-bubble] Error 2
  | # 00:03:52 make: *** [Makefile:1106: all] Error 2
  | 
  | From
  | # reset_artifacts:
  | -10
  | # true:
  | 0
  | # build_abe bootstrap_O3:
  | 1

Used configuration :
 *CI config* tcwg_bootstrap_build master-arm-bootstrap_O3
 *configure and test flags:* none, autodetected on 
armv8l-unknown-linux-gnueabihf

We track this bug report under https://linaro.atlassian.net/browse/GNU-1647. 
Please let us know if you have a fix.

If you have any questions regarding this report, please ask on 
linaro-toolch...@lists.linaro.org 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
 * 
https://ci.linaro.org/job/tcwg_bootstrap_build--master-arm-bootstrap_O3-build/890/artifact/artifacts/
The full lists of regressions and improvements as well as configure and make 
commands are in
 * 
https://ci.linaro.org/job/tcwg_bootstrap_build--master-arm-bootstrap_O3-build/890/artifact/artifacts/notify/

Current build   : 
https://ci.linaro.org/job/tcwg_bootstrap_build--master-arm-bootstrap_O3-build/890/artifact/artifacts
Reference build : 
https://ci.linaro.org/job/tcwg_bootstrap_build--master-arm-bootstrap_O3-build/889/artifact/artifacts

Instruction to reproduce the build : 
https://gitlab.com/Linaro/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/ac4e7455a3323750d7f07a3f652b090a1bc2b498/tcwg_bootstrap_build/master-arm-bootstrap_O3/reproduction_instructions.txt

Full commit : See in git+ssh://linar...@gcc.gnu.org/git/gcc.git

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