bullseye-pu: package llvm-toolchain-16/16.0.6-15~deb11u1

[Andres Salomon]

Package: release.debian.org
Severity: normal
Tags: bullseye
User: release.debian.org at packages.debian.org
Usertags: pu

Chromium newest version FTBFS on bullseye with clang-13, but works fine 
with clang-16.

[ Reason ]
Chromium 118 (which will likely be released as stable today, and 
probably with CVEs) fails to build on bullseye's clang-13 with an issue 
that I can't figure out. I've got plenty of clang-13 workarounds in 
chromium already, but this most recent issue is in a large (tens of 
thousands of lines long), complex autogenerated c++ file. The file is 
generated exactly the same on bookworm & bullseye, but fails on 
bullseye's clang-13 while succeeding on bookworm's clang-14. I'm stuck 
at this point, and having clang-16 in bullseye would allow us to easily 
continue chromium's bullseye-security support. It will also allow us to 
drop a bunch of crufty workaround patches.

[ Impact ]
There's no impact for users, as packages in stable must explicitly 
choose to build against clang-16.

[ Tests ]
Chromium 118.0.5993.54 succeeded in building and running on bullseye 
with clang-16 packages from llvm-toolchain-16_16.0.6-15~deb11u1.

[ Risks ]
Low/no risk. Clang-16 is not currently in bullseye.

[ Checklist ]
  [x] *all* changes are documented in the d/changelog
  [x] I reviewed all changes and I approve them
  [ ] attach debdiff against the package in (old)stable
  [x] the issue is verified as fixed in unstable

[ Changes ]

The changelog entry:

 llvm-toolchain-16 (1:16.0.6-15~deb11u1) bullseye; urgency=medium
 .
   * Non-maintainer upload.
   * Rebuild for bullseye.

No additional changes were necessary. I've not included a debdiff, 
since clang-16 is not already in bullseye.

[ Other info ]
For consistency and ease of maintenance I'll probably prepare this same 
package for bookworm, once 118 is released and all the security uploads 
are complete.

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