posix.mak clean target does not remove all generated files

[dlangBugzillaToGithub]

Alan.W.Irwin1234 reported this on 2019-10-29T19:28:26Z

Transferred from https://issues.dlang.org/show_bug.cgi?id=20335

Description

After a build (indirectly via building phobos), install, test, and clean the following generated files (as revealed by "git status --ignored") still occur in the working directory of the druntime repository:

~~~
Ignored files:
  (use "git add -f <file>..." to include in what will be committed)

        druntime.json
~~~

[dlangBugzillaToGithub]

Alan.W.Irwin1234 commented on 2019-10-29T19:29:53Z

(In reply to Alan.W.Irwin1234 from comment #0)
> After a build (indirectly via building phobos), install, test, and clean the
> following generated files (as revealed by "git status --ignored") still
> occur in the working directory of the druntime repository:
> 
> ~~~
> Ignored files:
>   (use "git add -f <file>..." to include in what will be committed)
> 
>         druntime.json
> ~~~

Actually, that should read test (of phobos).