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Without the workaround applied, this test will produce malformed mappings that cause `llvm-cov` to fail. (And if it does emit well-formed mappings, they should be obviously incorrect.)
26 lines
658 B
Rust
26 lines
658 B
Rust
// edition: 2021
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// Regression test for <https://github.com/rust-lang/rust/issues/117788>.
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// Under some circumstances, the heuristics that detect macro name spans can
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// get confused and produce incorrect spans beyond the bounds of the span
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// being processed.
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// aux-build: macro_name_span_helper.rs
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extern crate macro_name_span_helper;
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fn main() {
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affected_function();
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}
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macro_rules! macro_with_an_unreasonably_and_egregiously_long_name {
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() => {
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println!("hello");
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};
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}
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macro_name_span_helper::macro_that_defines_a_function! {
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fn affected_function() {
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macro_with_an_unreasonably_and_egregiously_long_name!();
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}
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}
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