Bug#1121561: libc++-19-dev: breaks libc++1-19, not just libc++1

[Marc Glisse]

Package: libc++-19-dev
Version: 1:19.1.7-10.1
Severity: normal

Dear Maintainer,

during today's apt full-upgrade, I got

Preparing to unpack .../libc++-19-dev_1%3a19.1.7-18_amd64.deb ...
Unpacking libc++-19-dev (1:19.1.7-18) over (1:19.1.7-10.1) ...
dpkg: error processing archive /var/cache/apt/archives/libc++-19-dev_1%3a19.1.7-18_amd64.deb (--unpack):
 trying to overwrite '/usr/lib/llvm-19/lib/libc++.so.1', which is also in package libc++1-19 (1:19.1.7-10.1)
Errors were encountered while processing:
 /var/cache/apt/archives/libc++-19-dev_1%3a19.1.7-18_amd64.deb
Error: Sub-process /usr/bin/dpkg returned an error code (1)

-- System Information:
Debian Release: forky/sid
  APT prefers testing-debug
  APT policy: (500, 'testing-debug'), (500, 'stable-security'), (500, 'stable-debug'), (500, 'testing'), (500, 'stable'), (50, 'unstable-debug'), (50, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 6.17.8+deb14-amd64 (SMP w/16 CPU threads; PREEMPT)
Kernel taint flags: TAINT_WARN, TAINT_OOT_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libc++-19-dev depends on:
ii  libc++1-19        1:19.1.7-10.1
ii  libc++abi-19-dev  1:19.1.7-10.1
ii  libunwind-19-dev  1:19.1.7-3+b2

libc++-19-dev recommends no packages.

libc++-19-dev suggests no packages.

-- no debconf information