[Bug 1759369] Re: kernel build fails on arm64

[Kees Cook]

** Also affects: gcc-7 (Ubuntu Bionic)
   Importance: Undecided
   Status: Fix Released

** Also affects: gcc-7-cross (Ubuntu Bionic)
   Importance: High
   Status: Fix Released

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Bug Watch Updater]

** Changed in: gcc-linaro
   Status: New => Fix Released

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Launchpad Bug Tracker]

This bug was fixed in the package gcc-7-cross - 20ubuntu3

---
gcc-7-cross (20ubuntu3) bionic; urgency=medium

  * Build using 7.3.0-16ubuntu1.
  * Backport r251558 from the trunk, addresses Linaro #3718. LP: #1759369.

 -- Matthias Klose   Wed, 11 Apr 2018 22:29:32 +0200

** Changed in: gcc-7-cross (Ubuntu)
   Status: Confirmed => Fix Released

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Launchpad Bug Tracker]

This bug was fixed in the package gcc-7 - 7.3.0-16ubuntu2

---
gcc-7 (7.3.0-16ubuntu2) bionic; urgency=medium

  * Merge with Debian; remaining changes:
- Build from upstream sources.
  * Update the gcc-foffload-default patch. LP: #1721355.

gcc-7 (7.3.0-16) unstable; urgency=medium

  * Update to SVN 20180411 (r259316) from the gcc-7-branch.
- Fix PR target/85203 (ARM), PR target/84748 (AArch64), PR c++/85279,
  PR target/85196 (SPARC).
  * Use triplet-prefixed as and ld (Helmut Grohne). Addresses: #895251.
  * Link libasan, liblsan, libubsan always with --no-as-needed. LP: #1762683.
  * Backport r251558 from the trunk, addresses Linaro #3718. LP: #1759369.
  * Fix PR libstdc++/85222, taken from the trunk.
  * Use --push-state --as-needed and --pop-state instead of --as-needed and
--no-as-needed for linking libgcc.

 -- Matthias Klose   Thu, 12 Apr 2018 00:45:22 +0200

** Changed in: gcc-7 (Ubuntu)
   Status: New => Fix Released

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Thadeu Lima de Souza Cascardo]

7.3.0-15ubuntu1cross1 was working, but 7.3.0-15ubuntu2cross1 regressed,
and it still fails.

Cascardo.

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Maxim Kuvyrkov]

Tentative fix applied, see bugs.linaro.org #3718 .

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Matthias Klose]

** Also affects: gcc-7 (Ubuntu)
   Importance: Undecided
   Status: New

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Thadeu Lima de Souza Cascardo]

7.3.0-13ubuntu1cross1 still fails.

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Bug Watch Updater]

** Changed in: gcc-linaro
   Status: Unknown => New

** Changed in: gcc-linaro
   Importance: Unknown => High

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Matthias Klose]

** Changed in: gcc-7-cross (Ubuntu)
   Status: Incomplete => Confirmed

** Bug watch added: Linaro Bug Tracking System #3718
   https://bugs.linaro.org/show_bug.cgi?id=3718

** Also affects: gcc-linaro via
   https://bugs.linaro.org/show_bug.cgi?id=3718
   Importance: Unknown
   Status: Unknown

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Seth Forshee]

I tested a cross build with gcc-7-cross 18ubuntu2, still fails in the
same way.

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Thadeu Lima de Souza Cascardo]

** Attachment added: "code that breaks"
   
https://bugs.launchpad.net/ubuntu/+source/gcc-7-cross/+bug/1759369/+attachment/5093338/+files/recov_neon_inner.c

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Thadeu Lima de Souza Cascardo]

By the way, native building works fine.

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Thadeu Lima de Souza Cascardo]

I am not sure if there was something after 7.3.0-11ubuntu1cross1, but it
worked for me.

I just ran the command below and reproduced the bug. I will attach the
code.

aarch64-linux-gnu-gcc -c recov_neon_inner.c

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Title:
  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Matthias Klose]

and more:

 - what was the last version not having this issue?
 - please provide the preprocessed source and the command line
   options to reproduce the issue.

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  kernel build fails on arm64

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[Bug 1759369] Re: kernel build fails on arm64

[Matthias Klose]

please recheck with the current native gcc-7 in -proposed

** Changed in: gcc-7-cross (Ubuntu)
   Status: New => Incomplete

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  kernel build fails on arm64

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