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Diffstat (limited to 'tests/coverage/no_spans_if_not.coverage')
| -rw-r--r-- | tests/coverage/no_spans_if_not.coverage | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tests/coverage/no_spans_if_not.coverage b/tests/coverage/no_spans_if_not.coverage new file mode 100644 index 000000000..1b6bbc75a --- /dev/null +++ b/tests/coverage/no_spans_if_not.coverage @@ -0,0 +1,30 @@ + 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| | fn affected_function() { + LL| | if !false { + LL| | () + LL| | } else { + LL| | () + LL| | } + LL| | } + LL| |} + |