[PATCH] D70342: [Diagnostics] Put "deprecated copy" warnings into -Wdeprecated-copy

[Richard Smith - zygoloid via Phabricator via cfe-commits]

rsmith added a comment.

Generally OK, but I'm concerned about including this in `-Wextra`. In particular, the deprecation of copy/move operations when a destructor is explicitly declared has experimentally been found to have a high false-positive rate. Does GCC include this in `-Wextra`? (Its documentation doesn't seem to say so.)


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https://reviews.llvm.org/D70342