rnk added a comment.

In D64538#1579573 <https://reviews.llvm.org/D64538#1579573>, @smeenai wrote:

> In D64538#1579561 <https://reviews.llvm.org/D64538#1579561>, @rnk wrote:
>
> > An extremely convenient feature of the current escaping pattern is that it 
> > magically works for both the cmd shell and various bash implementations. 
> > You can simply copy paste the commands and run them. This matters, for 
> > example, for the .sh crash reproducer script. On Windows today, you can 
> > just run it with bash, and it works. So, I'd prefer it if we didn't do this.
> >
> > If you want -### output to be more FileCheck friendly, then I would 
> > recommend adding a new driver flag for testing that dumps the commands 
> > without doing any escaping. This came up before:
> >  https://reviews.llvm.org/D62493
>
>
> As long as the backslashes aren't followed by a few special characters (as 
> detailed in my comment), the backslash should still continue to work. I've 
> been testing this with git bash and I'm still able to copy-paste the ouptut 
> command.


For the use case of crash reproduction, we often get these .sh files from 
users, and then try to reproduce and reduce the crash on Linux. Right now it's 
just a matter of adjusting the clang binary being run to reproduce a crash, but 
with this change, it will be harder. The current escaping is kind of the 
universal currency, a quoting style that is accepted everywhere.

> I'm okay adding a new driver flag which just skips all escaping, but I'd also 
> prefer for stuff running on Windows to follow Windows path conventions.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64538/new/

https://reviews.llvm.org/D64538



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