[cfe-commits] [PATCH] Limit the number of overload candidates printed (issue1591041)

Douglas Gregor dgregor at apple.com
Tue Jun 8 07:49:32 PDT 2010

On Jun 7, 2010, at 6:03 PM, jyasskin at gmail.com wrote:

> Reviewers: cfe-commits_cs.uiuc.edu,
> Message:
> Please take a look. If you prefer reviewing diffs, they're behind the
> "Download raw patch set" link.
> Description:
> When there are lots of operator<<s, clang produces significantly worse
> diagnostics than gcc, simply because of the size of the output. This
> patch limits clang to 4 overload candidates, with the ability to show
> the rest by passing -fshow-all-overloads, as a first cut. We'll want to
> refine that later as examples of bad behavior come up.

Unless we can be fairly sure that the "right" operator<< is in those first 4 overload candidates, I don't think this is a good idea. Unlike with suppressing inner template/macro instantiation histories, this change is likely to suppress important information.

	- Doug

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