ac05597cd7
Emit `unused_attributes` for `#[inline]` on exported functions I saw someone post a code sample that contained these two attributes, which immediately made me suspicious. My suspicions were confirmed when I did a small test and checked the compiler source code to confirm that in these cases, `#[inline]` is indeed ignored (because you can't exactly `LocalCopy`an unmangled symbol since that would lead to duplicate symbols, and doing a mix of an unmangled `GloballyShared` and mangled `LocalCopy` instantiation is too complicated for our current instatiation mode logic, which I don't want to change right now). So instead, emit the usual unused attribute lint with a message saying that the attribute is ignored in this position. I think this is not 100% true, since I expect LLVM `inlinehint` to still be applied to such a function, but that's not why people use this attribute, they use it for the `LocalCopy` instantiation mode, where it doesn't work. r? saethlin as the instantiation guy Procedurally, I think this should be fine to merge without any lang involvement, as this only does a very minor extension to an existing lint. |
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This is the main source code repository for Rust. It contains the compiler, standard library, and documentation.
Why Rust?
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