[Bug 1890435] Re: gcc-10 breaks on armhf (flaky): internal compiler error: Segmentation fault

[Christian Ehrhardt ]

FYI as one would expect this continues to affect Hirsute just as much, I
just had a broken qemu-5.1 build on armhf.

/<<BUILDDIR>>/qemu-5.1+dfsg/linux-user/m68k/signal.c:44:1: error:
‘TYPE_MODE’ of ‘TYPE_CANONICAL’ is not compatible

P.S. I'm still unsure if that "TYPE_CANONICAL" issue IS the formerly
seen crash or just a new issue on top with either the debug builds
and/or newer versions. Did anybody track the crashes down enough to know
if those are really "the same"?

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https://bugs.launchpad.net/bugs/1890435

Title:
  gcc-10 breaks on armhf (flaky): internal compiler error: Segmentation
  fault

Status in Groovy:
  Confirmed
Status in gcc-10 package in Ubuntu:
  Confirmed

Bug description:
  Hi,
  this could be the same as bug 1887557 but as I don't have enough data I'm filing it as individual issue for now.

  I have only seen this happening on armhf so far.
  In 2 of 5 groovy builds of qemu 5.0 this week I have hit the issue, but it is flaky.

  Flakyness:
  1. different file
  first occurrence
  /<<PKGBUILDDIR>>/target/s390x/excp_helper.c:544:1: internal compiler error: Segmentation fault
  second occurrence
  /<<PKGBUILDDIR>>/linux-user/syscall.c:12479:1: internal compiler error: Segmentation fault

  Being so unreliable I can't provide mcuh more yet.
  I filed it mostly for awareness and so that I can be dup'ed onto the right but if there is a better one.

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