5f90bee663
Handle several `#[diagnostic::on_unimplemented]` attributes correctly This PR fixes an issues where rustc would ignore subsequent `#[diagnostic::on_unimplemented]` attributes. The [corresponding RFC](https://rust-lang.github.io/rfcs/3368-diagnostic-attribute-namespace.html) specifies that the first matching instance of each option is used. Invalid attributes are linted and otherwise ignored. |
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.. | ||
assembly | ||
auxiliary | ||
codegen | ||
codegen-units | ||
coverage-map | ||
debuginfo | ||
incremental | ||
mir-opt | ||
pretty | ||
run-coverage | ||
run-coverage-rustdoc | ||
run-make | ||
run-make-fulldeps | ||
run-pass-valgrind | ||
rustdoc | ||
rustdoc-gui | ||
rustdoc-js | ||
rustdoc-js-std | ||
rustdoc-json | ||
rustdoc-ui | ||
ui | ||
ui-fulldeps | ||
COMPILER_TESTS.md |