From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui/binding/func-arg-incomplete-pattern.rs | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 src/test/ui/binding/func-arg-incomplete-pattern.rs (limited to 'src/test/ui/binding/func-arg-incomplete-pattern.rs') diff --git a/src/test/ui/binding/func-arg-incomplete-pattern.rs b/src/test/ui/binding/func-arg-incomplete-pattern.rs new file mode 100644 index 000000000..eb94ee48f --- /dev/null +++ b/src/test/ui/binding/func-arg-incomplete-pattern.rs @@ -0,0 +1,22 @@ +// run-pass +#![allow(dead_code)] +// Test that we do not leak when the arg pattern must drop part of the +// argument (in this case, the `y` field). + +struct Foo { + x: Box, + y: Box, +} + +fn foo(Foo {x, ..}: Foo) -> *const usize { + let addr: *const usize = &*x; + addr +} + +pub fn main() { + let obj: Box<_> = Box::new(1); + let objptr: *const usize = &*obj; + let f = Foo { x: obj, y: Box::new(2) }; + let xptr = foo(f); + assert_eq!(objptr, xptr); +} -- cgit v1.2.3