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:
  | 7 patches in gcc
  | Patchwork URL: https://patchwork.sourceware.org/patch/139154
  | 74c90c3c815 [PATCH v7 7/7] widening_mul: Lower long-multiply chains to inline longhand
  | 0fb4c92f8fe [PATCH v7 6/7] match.pd, forwprop: Recognize long-multiply carries written as 2-arg PHI
  | a772f6a7de9 [PATCH v7 5/7] forwprop: Add long-multiply low-plus variant
  | 610e733b272 [PATCH v7 4/7] forwprop: Add long-multiply ladder variants
  | 980c2996200 [PATCH v7 3/7] forwprop: Add long-multiply two-carry variant
  | ... and 2 more patches in gcc
  | ... applied on top of baseline commit:
  | 6f754f345e0 Revert "MIPS: Add -mmxu and -mno-mxu driver pass through"

Produces Failure:
  | Results changed to
  | # reset_artifacts:
  | -10
  | # true:
  | 0
  | # build_abe gcc:
  | # FAILED
  | # First few build errors in logs:
  | # 00:11:45 /home/tcwg-build/workspace/tcwg_gnu_7/abe/snapshots/gcc.git~master/libstdc++-v3/src/c++17/fast_float/fast_float.h:261:28: internal compiler error: in expand_mult, at expmed.cc:3669
  | # 00:11:45 make[5]: *** [Makefile:590: floating_from_chars.lo] Error 1
  | # 00:11:45 make[4]: *** [Makefile:802: all-recursive] Error 1
  | # 00:11:45 make[3]: *** [Makefile:580: all-recursive] Error 1
  | # 00:11:45 make[2]: *** [Makefile:505: all] Error 2
  | # 00:11:45 make[1]: *** [Makefile:12329: all-target-libstdc++-v3] Error 2
  | # 00:11:45 make: *** [Makefile:1099: all] Error 2
  | 
  | From
  | # reset_artifacts:
  | -10
  | # true:
  | 0
  | # build_abe gcc:
  | 1

Used configuration :
 *CI config* tcwg_gcc_build 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

If you have any questions regarding this report, please ask on linaro-toolchain@lists.linaro.org 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
 * http://54.172.246.49:9090/jobs/tcwg_gcc_build--master-arm-precommit/builds/12382/archive/artifacts/artifacts.precommit/
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_build--master-arm-precommit/builds/12382/archive/artifacts/artifacts.precommit/notify/

Current build   : http://54.172.246.49:9090/jobs/tcwg_gcc_build--master-arm-precommit/builds/12382/archive/artifacts/
Reference build : http://54.172.246.49:9090/jobs/tcwg_gcc_build--master-arm-build/builds/10374/archive/artifacts/

Warning: we do not enable maintainer-mode nor automatically update
generated files, which may lead to failures if the patch modifies the
master files.