tests/ui/proc-macro/issue-59191-replace-root-with-fn.rs


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// Test that using a macro to replace the entire crate tree with a non-'mod' item errors out nicely.
// `issue_59191::no_main` replaces whatever's passed in with `fn main() {}`.

//@ edition:2018
//@ proc-macro: issue-59191.rs
//@ needs-unwind (affects error output)

#![feature(custom_inner_attributes)]
#![issue_59191::no_main]
#![issue_59191::no_main]

//~? ERROR `#[panic_handler]` function required, but not found
//~? ERROR unwinding panics are not supported without std