I concocted a test case that was independent from ghc, confirmed it still
reproduced with current binutils git and filed an upstream bug:
https://sourceware.org/bugzilla/show_bug.cgi?id=26902. I even made a little
patch that fixes the problem but I don't know if it's in any way correct.
In that case, someone should upload something like this:
(master *)mwhudson@anduril:~/src/pkg/DHG_packages/p/ghc$ git diff
diff --git a/p/ghc/debian/rules b/p/ghc/debian/rules
index a5fd42860b..af3f8851d3 100755
--- a/p/ghc/debian/rules
+++ b/p/ghc/debian/rules
@@ -50,7 +50,7 @@ endif
# once
the patch mentioned above is already part of bintuils 2.35.1-2.
I think this is a gold bug, and even better I think it is a gold bug that
was fixed already, in this commit from a few weeks back:
commit fa40fbe484954c560ab1c0ff4bc1b2eeb1511344
Author: Alan Modra
Date: Fri Oct 9 16:56:33 2020 +1030
[GOLD] Power10 segv due to wild r2
Calling
Package: ghc
Version: 8.8.4-1
Severity: serious
User: ubuntu-de...@lists.ubuntu.com
Usertags: origin-ubuntu hirsute
Dear maintainers,
We have started doing mass-rebuilds of the haskell stack in Ubuntu for ghc
8.8.4-1 and have found a pattern of failures on ppc64el where in some cases
the build
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