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/qualif_overwrite.rs | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 tests/ui/consts/qualif_overwrite.rs (limited to 'tests/ui/consts/qualif_overwrite.rs') diff --git a/tests/ui/consts/qualif_overwrite.rs b/tests/ui/consts/qualif_overwrite.rs new file mode 100644 index 000000000..aae4e41ff --- /dev/null +++ b/tests/ui/consts/qualif_overwrite.rs @@ -0,0 +1,13 @@ +use std::cell::Cell; + +// this is overly conservative. The reset to `None` should clear `a` of all qualifications +// while we could fix this, it would be inconsistent with `qualif_overwrite_2.rs`. +// We can fix this properly in the future by allowing constants that do not depend on generics +// to be checked by an analysis on the final value instead of looking at the body. +const FOO: &Option> = { + let mut a = Some(Cell::new(0)); + a = None; // sets `qualif(a)` to `qualif(a) | qualif(None)` + &{a} //~ ERROR cannot refer to interior mutable +}; + +fn main() {} -- cgit v1.2.3