glibc in eoan building against the supposedly-fixed kernel is hitting
these issues again on i386 testsuites.  Did we break it again?

https://launchpad.net/ubuntu/+source/glibc/2.29-0ubuntu3

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https://bugs.launchpad.net/bugs/1830890

Title:
  glibc 2.23-0ubuntu11 ADT test failure with linux 4.4.0-149.175

Status in glibc package in Ubuntu:
  Invalid
Status in linux package in Ubuntu:
  Invalid
Status in glibc source package in Xenial:
  Invalid
Status in linux source package in Xenial:
  Fix Released

Bug description:
  [Impact]
  Some glibc testcases are regressing on i386 after the following commit was 
applied to xenial/linux as part of upstream stable update 4.4.179:

  commit 379d98ddf41344273d9718556f761420f4dc80b3
  Author: Alistair Strachan <astrac...@google.com>
  Date: Fri Aug 3 10:39:31 2018 -0700

      x86: vdso: Use $LD instead of $CC to link

  which accidentally broke unwinding from userspace, because ld would
  strip the .eh_frame sections when linking.

  Test logs:
      i386: 
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-xenial/xenial/i386/g/glibc/20190528_085308_d03ca@/log.gz

  [Fix]
  The following commit fixes the issue:

  commit cd01544a268ad8ee5b1dfe42c4393f1095f86879
  Author: Alistair Strachan <astrac...@google.com>
  Date: Fri Dec 14 14:36:37 2018 -0800

      x86/vdso: Pass --eh-frame-hdr to the linker

  It was applied to 4.4.180, but we need to apply it before otherwise
  xenial/linux will be released with a regression.

  [Test]
  ADT tests for glibc.

  [Regression Potential]
  Low. One line patch to Makefile which fixes a known regression.

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