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Namely, a regression test for issue rust-lang#69798 (export added), and the inverse of that test (export removd).
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26 changes: 26 additions & 0 deletions
26
src/test/incremental/thinlto/cgu_invalidated_when_export_added.rs
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// revisions: cfail1 cfail2 | ||
// build-pass | ||
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// rust-lang/rust#69798: | ||
// | ||
// This is analgous to cgu_invalidated_when_import_added, but it covers a | ||
// problem uncovered where a change to the *export* set caused a link failure | ||
// when reusing post-LTO optimized object code. | ||
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pub struct Foo {} | ||
impl Drop for Foo { | ||
fn drop(&mut self) { | ||
println!("Dropping Foo"); | ||
} | ||
} | ||
#[no_mangle] | ||
pub extern "C" fn run() { | ||
thread_local! { pub static FOO : Foo = Foo { } ; } | ||
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#[cfg(cfail2)] | ||
{ | ||
FOO.with(|_f| ()) | ||
} | ||
} | ||
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pub fn main() { run() } |
26 changes: 26 additions & 0 deletions
26
src/test/incremental/thinlto/cgu_invalidated_when_export_removed.rs
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@@ -0,0 +1,26 @@ | ||
// revisions: cfail1 cfail2 | ||
// build-pass | ||
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// rust-lang/rust#69798: | ||
// | ||
// This is analgous to cgu_invalidated_when_export_added, but it covers the | ||
// other direction. This is analogous to cgu_invalidated_when_import_added: we | ||
// include it, because it may uncover bugs in variant implementation strategies. | ||
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pub struct Foo {} | ||
impl Drop for Foo { | ||
fn drop(&mut self) { | ||
println!("Dropping Foo"); | ||
} | ||
} | ||
#[no_mangle] | ||
pub extern "C" fn run() { | ||
thread_local! { pub static FOO : Foo = Foo { } ; } | ||
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#[cfg(cfail1)] | ||
{ | ||
FOO.with(|_f| ()) | ||
} | ||
} | ||
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pub fn main() { run() } |