Add verbose option to rustdoc in order to fix problem with --version #20350
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Patch for #20340.
rustdoc --version
panics because it usesrustc_driver::version
, which in turn checks theverbose
flag, which was not defined for rustdoc. In this patch I have added a verbose flag to rustdoc, because I think it should be useful for other things besides --version.Another possible fix would be to check if a verbose option was defined in
rustc_driver
or add an extraversion
function for rustdoc.