[Issue 16567] dmd -wi leads compilation to get stuck when compiling lots of files

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16567

Timothee Cour <timothee.cour2 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |timothee.cour2 at gmail.com

--- Comment #1 from Timothee Cour <timothee.cour2 at gmail.com> ---
more details:
this happened with:

```
dmd -c -o- -deps -g -vcolumns -color=on -wi $lots_of_files
```

Hard to reduce because there are lots of files.
After removing `-wi`, the command completes fast.

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