On Tue, Jan 07, 2025 at 03:45:02PM +0100, Thomas Koenig via Gcc wrote:
> when an ICE occurs somewhere when building a complex software package,
> it can be cumbersome for the user to obtain the preprocessed file
> that we ask people to submit to us.
>
> Would it be reasonable to dump a preprocessed file (if any) on an ICE,
> and point the user to it? The error message could then be something
> like "Please submit the preprocessed file at /home/foo/bar/baz.i".
>
> As gcc usually does not invoke cpp directly any more (correct?) it
> might be possible to dump the source code, if it is still held
> in memory, or alternatively invoke the preprocessor on the
> original source file.
>
> This has the potential of getting more reasonable bug reports
> into bugzilla, I think.
>
> What do you think? Good/bad idea? Should I open a PR for this?
> Should this kind of thing maybe be restricted to checking mode?
You mean what the -freport-bug option does?
Jakub
