The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/third_party/toolchain-utils/+/340542b21c30cd62a68d19f086edef36d849971b

commit 340542b21c30cd62a68d19f086edef36d849971b
Author: Ting-Yuan Huang <laszio@chromium.org>
Date: Sat Mar 03 04:47:16 2018

debug_info_test: Run tests based on debug info

debug_info_test calls tests on the given ELF files. When a directory is
supplied, all ELFs will be searched and tested recursively.

BUG= chromium:817648 
TEST=debug_info_test /build/kip/usr/lib/debug

Change-Id: Ibcb1ac2de19df9227eb6e242d611ec841d4b589f
Reviewed-on: https://chromium-review.googlesource.com/942465
Commit-Ready: Ting-Yuan Huang <laszio@chromium.org>
Tested-by: Ting-Yuan Huang <laszio@chromium.org>
Reviewed-by: Ting-Yuan Huang <laszio@chromium.org>
Reviewed-by: Yunlian Jiang <yunlian@chromium.org>

[add] https://crrev.com/340542b21c30cd62a68d19f086edef36d849971b/debug_info_test/clang_comp_path.whitelist
[add] https://crrev.com/340542b21c30cd62a68d19f086edef36d849971b/debug_info_test/whitelist.py
[add] https://crrev.com/340542b21c30cd62a68d19f086edef36d849971b/debug_info_test/clang_dso_path.whitelist
[add] https://crrev.com/340542b21c30cd62a68d19f086edef36d849971b/debug_info_test/check_cus.py
[add] https://crrev.com/340542b21c30cd62a68d19f086edef36d849971b/debug_info_test/check_clang.py
[add] https://crrev.com/340542b21c30cd62a68d19f086edef36d849971b/debug_info_test/debug_info_test.py

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/overlays/portage-stable/+/8b73c940f51b8b8030178fb64eda1384668efee5

commit 8b73c940f51b8b8030178fb64eda1384668efee5
Author: Ting-Yuan Huang <laszio@chromium.org>
Date: Sat Mar 03 06:22:39 2018

pyelftools: upgraded package to upstream

Upgraded dev-python/pyelftools to version 0.24 on amd64, arm, x86

BUG= chromium:817648 
TEST=cros tryjob chromiumos-sdk

Change-Id: Ife433de0687bc19879af41117b9f4a8b401dddcd
Reviewed-on: https://chromium-review.googlesource.com/942692
Commit-Ready: Ting-Yuan Huang <laszio@chromium.org>
Tested-by: Ting-Yuan Huang <laszio@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>

[delete] https://crrev.com/4f2db94f3b69b29b87ac4e284ab6b5cadc773527/dev-python/pyelftools/files/pyelftools-0.21-dyntable.patch
[modify] https://crrev.com/8b73c940f51b8b8030178fb64eda1384668efee5/dev-python/pyelftools/metadata.xml
[delete] https://crrev.com/4f2db94f3b69b29b87ac4e284ab6b5cadc773527/dev-python/pyelftools/pyelftools-0.21-r4.ebuild
[add] https://crrev.com/8b73c940f51b8b8030178fb64eda1384668efee5/metadata/md5-cache/dev-python/pyelftools-0.24
[modify] https://crrev.com/8b73c940f51b8b8030178fb64eda1384668efee5/dev-python/pyelftools/Manifest
[add] https://crrev.com/8b73c940f51b8b8030178fb64eda1384668efee5/dev-python/pyelftools/pyelftools-0.24.ebuild
[delete] https://crrev.com/4f2db94f3b69b29b87ac4e284ab6b5cadc773527/metadata/md5-cache/dev-python/pyelftools-0.21-r4

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/a4a52bcd62a54755a97ac907e4c2c997b03cfacb

commit a4a52bcd62a54755a97ac907e4c2c997b03cfacb
Author: Ting-Yuan Huang <laszio@chromium.org>
Date: Sat Mar 03 08:45:13 2018

toolchain-utils: install scripts from toolchain-utils to SDK

This package pull some scripts from

    chromiumos/third_party/toolchain-utils

into SDK. In this patch only debug_info_test/ are installed.

BUG= chromium:817648 
CQ-DEPEND=CL:942465
TEST=sudo emerge toolchain-utils && /usr/bin/debug_info_test
     tryjob chromiumos-sdk passed && the packages is built

Change-Id: Ie0dfd8294df6ee40a5b241107108eb685b43ab65
Reviewed-on: https://chromium-review.googlesource.com/946883
Commit-Ready: Ting-Yuan Huang <laszio@chromium.org>
Tested-by: Ting-Yuan Huang <laszio@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Yunlian Jiang <yunlian@chromium.org>

[modify] https://crrev.com/a4a52bcd62a54755a97ac907e4c2c997b03cfacb/chromeos-base/cros-devutils/cros-devutils-9999.ebuild
[add] https://crrev.com/a4a52bcd62a54755a97ac907e4c2c997b03cfacb/dev-util/toolchain-utils/toolchain-utils-9999.ebuild

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/third_party/toolchain-utils/+/527fcb39b1ebc18058ebf564c683ab92a0b63767

commit 527fcb39b1ebc18058ebf564c683ab92a0b63767
Author: Ting-Yuan Huang <laszio@chromium.org>
Date: Mon Mar 05 20:41:53 2018

debug_info_test: test !gcc rather than clang.

There are other producers: gnu as, go, etc.

Also update the whitelist.

BUG= chromium:817648 
TEST=debug_info_test

Change-Id: Idc1ded503ed926fc85fbd55a97543583584468bd
Reviewed-on: https://chromium-review.googlesource.com/947883
Commit-Ready: Ting-Yuan Huang <laszio@chromium.org>
Tested-by: Ting-Yuan Huang <laszio@chromium.org>
Reviewed-by: Yunlian Jiang <yunlian@chromium.org>

[delete] https://crrev.com/340542b21c30cd62a68d19f086edef36d849971b/debug_info_test/clang_comp_path.whitelist
[modify] https://crrev.com/527fcb39b1ebc18058ebf564c683ab92a0b63767/debug_info_test/whitelist.py
[delete] https://crrev.com/340542b21c30cd62a68d19f086edef36d849971b/debug_info_test/clang_dso_path.whitelist
[add] https://crrev.com/527fcb39b1ebc18058ebf564c683ab92a0b63767/debug_info_test/ngcc_dso_path.whitelist
[add] https://crrev.com/527fcb39b1ebc18058ebf564c683ab92a0b63767/debug_info_test/ngcc_comp_path.whitelist
[modify] https://crrev.com/527fcb39b1ebc18058ebf564c683ab92a0b63767/debug_info_test/check_cus.py
[rename] https://crrev.com/527fcb39b1ebc18058ebf564c683ab92a0b63767/debug_info_test/check_ngcc.py

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/chromite/+/bcf06d418d08c7ba535c8a648d1f0fb19de31974

commit bcf06d418d08c7ba535c8a648d1f0fb19de31974
Author: Ting-Yuan Huang <laszio@chromium.org>
Date: Tue Mar 06 17:59:18 2018

DebugInfoTest: perform tests based on debug info

Tests may include, for example,
   * whether dwarf info exists
   * whether clang is used
   * whether FORTIFY is enabled, etc.

BUG= chromium:817648 
TEST=cros tryjob kip-release-tryjob
                 daisy-release-tryjob
                 elm-release-tryjob

Change-Id: I8552c5fa4358fc8921c03bf823eba7e824624613
Reviewed-on: https://chromium-review.googlesource.com/945570
Commit-Ready: Ting-Yuan Huang <laszio@chromium.org>
Tested-by: Ting-Yuan Huang <laszio@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>

[modify] https://crrev.com/bcf06d418d08c7ba535c8a648d1f0fb19de31974/cbuildbot/stages/test_stages.py
[modify] https://crrev.com/bcf06d418d08c7ba535c8a648d1f0fb19de31974/cbuildbot/builders/simple_builders.py

DebugInfoTest is failing. For example: https://luci-milo.appspot.com/buildbot/chromeos/cave-paladin/3228

Working on it...

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/third_party/toolchain-utils/+/5750315a56e4c3a6e601bdbaf449213cf2ffb65d

commit 5750315a56e4c3a6e601bdbaf449213cf2ffb65d
Author: Caroline Tice <cmtice@google.com>
Date: Fri Mar 16 04:23:34 2018

[toolchain-utils] Update whitelists for debug_info_test stage.

The debug_info_test stage verifies that everything that is supposed
to be built with LLVM is actually being built with LLVM.  We have
to whitelist a few files/packages that must continue to be built
with GCC.  This CL updates the whitelists to make this stage pass
on AMD64.

BUG= chromium:817648 
TEST= debug_info_test.py passed on my local terra build, with these
changes. DebugInfoTest stage passed on cros tryjob fizz-llvm-toolchain-tryjob.

Change-Id: Ia9c79b5f13663d1f8a0e2b948f03a532b46d270b
Reviewed-on: https://chromium-review.googlesource.com/964590
Commit-Ready: Caroline Tice <cmtice@chromium.org>
Tested-by: Caroline Tice <cmtice@chromium.org>
Reviewed-by: Ting-Yuan Huang <laszio@chromium.org>

[modify] https://crrev.com/5750315a56e4c3a6e601bdbaf449213cf2ffb65d/debug_info_test/ngcc_comp_path.whitelist
[modify] https://crrev.com/5750315a56e4c3a6e601bdbaf449213cf2ffb65d/debug_info_test/ngcc_dso_path.whitelist