jhuber6 wrote:

> > > There are many `--no-offload-new-driver` test changes. They can be 
> > > pre-committed to make this default flip modify fewer files.
> > 
> > 
> > I think it's much easier to keep these in a single patch, both for writing 
> > and with any potential reverting that it may require.
> 
> Since llvm is moving rapidly, reverting a commit that modifies many tests is 
> quite risky, since these tests could have been modified by other changes or 
> just cause merge conflicts for others. I assume that the merit of this patch 
> is obvious (a new feature is in development for quite some time, then it 
> matures and replaces the old feature), so adding `--no-offload-new-driver` 
> (to mark "these tests are old, please update them when the new default has 
> been stable for a while") is non-contentious. Pre-committing the test (which 
> is not risky at all) would make this default flip patch much safer to land or 
> revert.
> 
> If you think showing the difference is important, you can add to the 
> description the test commits.

I'll try to pull out the files that are purely keeping the old behavior, since 
it'll be a no-op without this patch.

https://github.com/llvm/llvm-project/pull/84420
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