Disable tests known to fail on AArch64:

  https://gitlab.dune-project.org/core/dune-common/-/issues/262
  https://issues.guix.gnu.org/62842

--- a/dune/common/test/eigenvaluestest.cc
+++ b/dune/common/test/eigenvaluestest.cc
@@ -340,20 +340,15 @@
   testSymmetricFieldMatrix<double,200>();
   testSymmetricFieldMatrix<float,4>();
   testSymmetricFieldMatrix<float,200>();
-  testSymmetricFieldMatrix<long double,4>();
-  testSymmetricFieldMatrix<long double,200>();
 #endif // HAVE_LAPACK
 
   testSymmetricFieldMatrix<double,2>();
   testSymmetricFieldMatrix<double,3>();
   testSymmetricFieldMatrix<float,2>();
   testSymmetricFieldMatrix<float,3>();
-  testSymmetricFieldMatrix<long double,2>();
-  testSymmetricFieldMatrix<long double,3>();
 
   checkMultiplicity<double>();
   checkMultiplicity<float>();
-  checkMultiplicity<long double>();
 
   return 0;
 }
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<tr><td><span title='2020-06-27 23:42:20 +0200'>2020-06-27</span></td><td><a href='/guix/commit/nix/libutil/hash.hh?id=8e6c1415d87272c0221ce328715fc0dd1dd3e032'>daemon: Recognize SHA3 and BLAKE2s.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libutil/hash.hh (HashType): Add htSHA3_256, htSHA3_512, and
htBLAKE2s_256.
* nix/libutil/hash.cc (parseHashType, printHashType): Recognize them.
* tests/store.scm ("add-to-store"): Test these algorithms.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-06-27 23:42:20 +0200'>2020-06-27</span></td><td><a href='/guix/commit/nix/libutil/hash.hh?id=3fb6b8f30444d41963ba5bdd441123a6d2df17bd'>daemon: Map directly to gcrypt hash functions.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libutil/hash.hh (HashType): Map directly to GCRY_MD_ values.
(md5HashSize, sha1HashSize, sha256HashSize, sha512HashSize): Remove.
* nix/libutil/hash.cc (Hash::Hash): Use 'gcry_md_get_algo_dlen'.
</span></span></td><td>Ludovic Courtès</td></tr>