mirror of https://github.com/rust-lang/rust.git
31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
LL| |//@ edition: 2021
|
|
LL| |
|
|
LL| |// If the span extractor can't find any relevant spans for a function,
|
|
LL| |// but the function contains coverage span-marker statements (e.g. inserted
|
|
LL| |// for `if !`), coverage codegen may think that it is instrumented and
|
|
LL| |// consequently complain that it has no spans.
|
|
LL| |//
|
|
LL| |// Regression test for <https://github.com/rust-lang/rust/issues/118850>,
|
|
LL| |// "A used function should have had coverage mapping data but did not".
|
|
LL| |
|
|
LL| 1|fn main() {
|
|
LL| 1| affected_function();
|
|
LL| 1|}
|
|
LL| |
|
|
LL| |macro_rules! macro_that_defines_a_function {
|
|
LL| | (fn $name:ident () $body:tt) => {
|
|
LL| | fn $name () $body
|
|
LL| | }
|
|
LL| |}
|
|
LL| |
|
|
LL| |macro_that_defines_a_function! {
|
|
LL| 1| fn affected_function() {
|
|
LL| 1| if !false {
|
|
LL| 1| ()
|
|
LL| | } else {
|
|
LL| 0| ()
|
|
LL| | }
|
|
LL| | }
|
|
LL| |}
|
|
|