From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/issues/issue-4734.rs | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 tests/ui/issues/issue-4734.rs (limited to 'tests/ui/issues/issue-4734.rs') diff --git a/tests/ui/issues/issue-4734.rs b/tests/ui/issues/issue-4734.rs new file mode 100644 index 000000000..29c965d7f --- /dev/null +++ b/tests/ui/issues/issue-4734.rs @@ -0,0 +1,37 @@ +// run-pass +#![allow(dead_code)] +// Ensures that destructors are run for expressions of the form "e;" where +// `e` is a type which requires a destructor. + + +#![allow(path_statements)] + +struct A { n: isize } +struct B; + +static mut NUM_DROPS: usize = 0; + +impl Drop for A { + fn drop(&mut self) { + unsafe { NUM_DROPS += 1; } + } +} + +impl Drop for B { + fn drop(&mut self) { + unsafe { NUM_DROPS += 1; } + } +} + +fn main() { + assert_eq!(unsafe { NUM_DROPS }, 0); + { let _a = A { n: 1 }; } + assert_eq!(unsafe { NUM_DROPS }, 1); + { A { n: 3 }; } + assert_eq!(unsafe { NUM_DROPS }, 2); + + { let _b = B; } + assert_eq!(unsafe { NUM_DROPS }, 3); + { B; } + assert_eq!(unsafe { NUM_DROPS }, 4); +} -- cgit v1.2.3