From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:58 +0200 Subject: Adding upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/issues/issue-30438-a.rs | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 tests/ui/issues/issue-30438-a.rs (limited to 'tests/ui/issues/issue-30438-a.rs') diff --git a/tests/ui/issues/issue-30438-a.rs b/tests/ui/issues/issue-30438-a.rs new file mode 100644 index 000000000..0d4eb796a --- /dev/null +++ b/tests/ui/issues/issue-30438-a.rs @@ -0,0 +1,23 @@ +// Original regression test for Issue #30438. + +use std::ops::Index; + +struct Test<'a> { + s: &'a String +} + +impl <'a> Index for Test<'a> { + type Output = Test<'a>; + fn index(&self, _: usize) -> &Self::Output { + return &Test { s: &self.s}; + //~^ ERROR: cannot return reference to temporary value + } +} + +fn main() { + let s = "Hello World".to_string(); + let test = Test{s: &s}; + let r = &test[0]; + println!("{}", test.s); // OK since test is valid + println!("{}", r.s); // Segfault since value pointed by r has already been dropped +} -- cgit v1.2.3