Dear contributor, our automatic CI has detected problems related to your patch(es).  Please find some details below.  If you have any questions, please follow up on linaro-toolchain@lists.linaro.org mailing list, Libera's #linaro-tcwg channel, or ping your favourite Linaro toolchain developer on the usual project channel.

In bootstrap_build master-aarch64-bootstrap_ubsan after:

  | 54 commits in gcc
  | aef1aaff411 tree-optimization/112623 - forwprop VEC_PACK_TRUNC generation
  | ae156936cf4 Move VF based dependence check
  | 1d82fc2e682 optimize std::vector::push_back
  | 1250858ac9c d: Merge upstream dmd ff57fec515, druntime ff57fec515, phobos 17bafda79.
  | 8faae311a60 RISC-V: Disallow COSNT_VECTOR for DI on RV32
  | ... and 49 more commits in gcc

Results changed to
# reset_artifacts:
-10
# true:
0
# build_abe bootstrap_ubsan:
1

From
# reset_artifacts:
-10
# true:
0
# build_abe bootstrap_ubsan:
1

The configuration of this build is:
CI config tcwg_bootstrap_build master-aarch64-bootstrap_ubsan

-----------------8<--------------------------8<--------------------------8<--------------------------
The information below can be used to reproduce a debug environment:

Current build   : https://ci.linaro.org/job/tcwg_bootstrap_build--master-aarch64-bootstrap_ubsan-build/277/artifact/artifacts
Reference build : https://ci.linaro.org/job/tcwg_bootstrap_build--master-aarch64-bootstrap_ubsan-build/276/artifact/artifacts