Check unsafety for non-macro attributes in validate_attr
#148647
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Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
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Some changes occurred in compiler/rustc_attr_parsing |
rustbot
added
A-attributes
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r? @jdonszelmann
Also adds a test for a previously untested case, unnecessary unsafe on a proc macro attribute
In preparation for #148453