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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/mir/mir_dynamic_drops_2.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/mir/mir_dynamic_drops_2.rs b/src/test/ui/mir/mir_dynamic_drops_2.rs new file mode 100644 index 000000000..c883efdab --- /dev/null +++ b/src/test/ui/mir/mir_dynamic_drops_2.rs @@ -0,0 +1,29 @@ +// run-fail +// error-pattern:drop 1 +// ignore-emscripten no processes + +/// Structure which will not allow to be dropped twice. +struct Droppable<'a>(&'a mut bool, u32); +impl<'a> Drop for Droppable<'a> { + fn drop(&mut self) { + if *self.0 { + eprintln!("{} dropped twice", self.1); + ::std::process::exit(1); + } + eprintln!("drop {}", self.1); + *self.0 = true; + } +} + +fn mir<'a>(d: Droppable<'a>) { + loop { + let x = d; + break; + } +} + +fn main() { + let mut xv = false; + mir(Droppable(&mut xv, 1)); + panic!(); +} |