[PATCH] D74009: [clang] Improve diagnostic note for implicit conversions that are disallowed because they involve more than one user-defined conversion.

Wed Feb 5 16:56:34 PST 2020

logan-5 added a comment.

In D74009#1858353 <https://reviews.llvm.org/D74009#1858353>, @rsmith wrote:

> Have you looked into whether you can defer the check for conversion via multiple user-defined conversions until we come to call `CompleteNonViableCandidate` after finding no viable functions?

That's a good idea, and does seem more efficient than checking for multiple conversions every time. I'll look into that, and also split this patch into two as @jkorous suggested.

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https://reviews.llvm.org/D74009