401a71d1d7
fix: Improve proc macro errors a bit Distinguish between - there is no build data (for some reason?) - there is build data, but the cargo package didn't build a proc macro dylib - there is a proc macro dylib, but it didn't contain the proc macro we expected - the name did not resolve to any macro (this is now an unresolved_macro_call even for attributes) I changed the handling of disabled attribute macro expansion to immediately ignore the macro and report an unresolved_proc_macro, because otherwise they would now result in loud unresolved_macro_call errors. I hope this doesn't break anything. Also try to improve error ranges for unresolved_macro_call / macro_error by reusing the code for unresolved_proc_macro. It's not perfect but probably better than before.
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