[Linaro-TCWG-CI] gcc-16-6652-ge58b11cd6c9: Failure on arm

Dear contributor,

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

In bootstrap_build master-arm-bootstrap_profiled, after:
  | commit gcc-16-6652-ge58b11cd6c9
  | Author: Martin Jambor <[email protected]>
  | Date:   Wed Jan 7 13:34:45 2026 +0100
  | 
  |     ipa-cp: Use the VR and bits lattices for clones of non-local functions too
  |     
  |     Since the IPA-CP lattices for value ranges cannot hold more values and
  |     don't have any "variable" flag, we initialize them to bottom for
  |     non-local nodes.  However, that means we don't make use of known
  | ... 28 lines of the commit log omitted.

Produces Failure:
  | Results changed to
  | # reset_artifacts:
  | -10
  | # true:
  | 0
  | # build_abe bootstrap_profiled:
  | # FAILED
  | # First few build errors in logs:
  | # 03:03:46 /home/tcwg-buildslave/workspace/tcwg_gnu_2/abe/snapshots/gcc.git~master/libgcc/libgcc2.h:232:25: internal compiler error: in operator[], at vec.h:911
  | # 03:03:46 make[3]: *** [Makefile:555: _umoddi3.o] Error 1
  | # 03:03:46 make[2]: *** [Makefile:19854: all-stagefeedback-target-libgcc] Error 2
  | # 03:03:46 make[1]: *** [Makefile:27213: stagefeedback-bubble] Error 2
  | # 03:03:46 make: *** [Makefile:27233: profiledbootstrap] Error 2
  | 
  | From
  | # reset_artifacts:
  | -10
  | # true:
  | 0
  | # build_abe bootstrap_profiled:
  | 1

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

We track this bug report under https://linaro.atlassian.net/browse/GNU-1809. 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
 * https://ci.linaro.org/job/tcwg_bootstrap_build--master-arm-bootstrap_profiled-build/1042/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_profiled-build/1042/artifact/artifacts/notify/

Current build   : https://ci.linaro.org/job/tcwg_bootstrap_build--master-arm-bootstrap_profiled-build/1042/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_bootstrap_build--master-arm-bootstrap_profiled-build/1041/artifact/artifacts

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/e58b11cd6c9ca3d05752ad84f743a46aa92a6979/tcwg_bootstrap_build/master-arm-bootstrap_profiled/reproduction_instructions.txt

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