assertion failed: "Wrap is pending but cursor's column (79) is not at right side of margin (80) or screen (80)."

[christianparpart]

trafficstars

Triggered via zsh-syntax-highlighting apparently and a probably too short screen width to render double-width characters.

================================================================================
Wrap is pending but cursor's column (79) is not at right side of margin (80) or screen (80).
================================================================================
Rendered screen at the time of failure: 80x25
cursor position      : (11:79)
vertical margins     : 1..25
horizontal margins   : 1..80
================================================================================
╭─    ~/p/contour/build  on   improvement/synchronized-updates *5 ?10   |    1: Wrappable,Marked
╰─ ls                                                                        ─╯ |    2: Wrappable
3rdparty/                   CMakeFiles/              cpm-package-lock.cmake     |    3: Wrappable
build.ninja                 cmake_install.cmake      _deps/                     |    4: Wrappable
cmake/                      compile_commands.json    _downloads/                |    5: Wrappable
CMakeCache.txt              CPackConfig.cmake        examples/                  |    6: Wrappable
CMakeDoxyfile.in            CPackSourceConfig.cmake  src/                       |    7: Wrappable
CMakeDoxygenDefaults.cmake  CPM_modules/             version.txt                |    8: Wrappable
                                                                                |    9: Marked
╭─    ~/p/contour/build  on   improvement/synchronized-updates *5 ?10   |   10:
╰─ echo "hello こ  ん  に  ち  は   你  好   مرحبا שלום ဟယ<103a>လ<102d><102f> 👨  <200d>🦳   👶   👅  |   11:
                                                                                |   12:
                                                                                |   13:

It should be reproducible with a very small test case, just that echo-line above and a small-width window.