Moving MacVim tabs out of the app window results in a crash

[Salvatore Squatrito]

Hi,

as described in object, when I have multiple tabs opened, if with the mouse I try to reorder by moving them and the tab I'm moving go outside of the app window, I have an app crash, let me know if I'm doing something wrong, it is very simple to reproduce this issue, ask me for any clarifications, thanks.

My version is:

MacVim r179 (Vim 9.1.0)

[Christian Brabandt]

I suppose this is using the MacVim UI? Try running a default setup
(without any customization), it should be `mvim --clean` and see if you
can reproduce it.

Also it is likely, that this is better suited on the MacVim Issue
Tracker, if this is a macvim specific issue.

Thanks,
Christian
--
In any formula, constants (especially those obtained from handbooks)
are to be treated as variables.

[Salvatore Squatrito]

Thanks, tried now, mvim --clean, same results, the application crashes and does not respond until macos kills it.

It happens when the dragged tab overlaps the title bar.

Process:               MacVim [28974]
Path:                  /Applications/MacVim.app/Contents/MacOS/MacVim
Identifier:            org.vim.MacVim
Version:               9.1.0 (179)
Code Type:             X86-64 (Native)
Parent Process:        Vim [28973]
Responsible:           Terminal [25289]

Date/Time:             2024-01-08 14:55:40.3414 +0100
OS Version:            macOS 14.2.1 (23C71)
Report Version:        12

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x000042f2965f177e
Exception Codes:       0x0000000000000001, 0x000042f2965f177e

Termination Reason:    Namespace SIGNAL, Code 11 Segmentation fault: 11
Terminating Process:   exc handler [28974]

[Salvatore Squatrito]

Opened issue here: https://github.com/macvim-dev/macvim/issues/1473