Update to upstream version '1.28.1'
with Debian dir 3b1c055f59051afb077e44910c8f99588f1de98a

Bring back some copyright lines that were deleted by accident.

This is unsupported with LLVM >=12 and generally only considered an
experimental personal project [1] by the Author.

[1]: https://github.com/ldc-developers/ldc/issues/3747



Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

Update to upstream version '1.28.0'
with Debian dir a5fc3c4ef7094cd02926ff19d620d6a04463469d

This patch also triggers a cmake config issue which causes the build to
fail, annoyingly.

Update to upstream version '1.24.0'
with Debian dir eba985051d9698b87b34fb51c241c9bb22f3cd12

Update to upstream version '1.21.0'
with Debian dir f84a45b902e8c32bce81683375c7a55cf0a293ae

Fixes: lintian: debian-changelog-has-wrong-day-of-week
See-also: https://lintian.debian.org/tags/debian-changelog-has-wrong-day-of-week.html

Fixes: lintian: debian-rules-sets-dpkg-architecture-variable
See-also: https://lintian.debian.org/tags/debian-rules-sets-dpkg-architecture-variable.html

Fixes: lintian: upstream-metadata-file-is-missing
See-also: https://lintian.debian.org/tags/upstream-metadata-file-is-missing.html


Fixes: lintian: upstream-metadata-missing-bug-tracking
See-also: https://lintian.debian.org/tags/upstream-metadata-missing-bug-tracking.html


Fixes: lintian: upstream-metadata-missing-repository
See-also: https://lintian.debian.org/tags/upstream-metadata-missing-repository.html

Update to upstream version '1.20.1'
with Debian dir 377fe762393a0a4c417ea034cc670af1133496bd