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/consts/min_const_fn/promotion.rs | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 tests/ui/consts/min_const_fn/promotion.rs (limited to 'tests/ui/consts/min_const_fn/promotion.rs') diff --git a/tests/ui/consts/min_const_fn/promotion.rs b/tests/ui/consts/min_const_fn/promotion.rs new file mode 100644 index 000000000..fbe535c71 --- /dev/null +++ b/tests/ui/consts/min_const_fn/promotion.rs @@ -0,0 +1,17 @@ +use std::cell::Cell; + +const fn foo1() {} +const fn foo2(x: i32) -> i32 { x } +const fn foo3() -> i32 { 42 } +const fn foo4() -> Cell { Cell::new(42) } +const fn foo5() -> Option> { Some(Cell::new(42)) } +const fn foo6() -> Option> { None } + +fn main() { + let x: &'static () = &foo1(); //~ ERROR temporary value dropped while borrowed + let y: &'static i32 = &foo2(42); //~ ERROR temporary value dropped while borrowed + let z: &'static i32 = &foo3(); //~ ERROR temporary value dropped while borrowed + let a: &'static Cell = &foo4(); //~ ERROR temporary value dropped while borrowed + let a: &'static Option> = &foo5(); //~ ERROR temporary value dropped while borrowed + let a: &'static Option> = &foo6(); //~ ERROR temporary value dropped while borrowed +} -- cgit v1.2.3