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 --- .../ui/consts/qualif-indirect-mutation-pass.rs | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 src/test/ui/consts/qualif-indirect-mutation-pass.rs (limited to 'src/test/ui/consts/qualif-indirect-mutation-pass.rs') diff --git a/src/test/ui/consts/qualif-indirect-mutation-pass.rs b/src/test/ui/consts/qualif-indirect-mutation-pass.rs new file mode 100644 index 000000000..06af6a03b --- /dev/null +++ b/src/test/ui/consts/qualif-indirect-mutation-pass.rs @@ -0,0 +1,24 @@ +// compile-flags: --crate-type=lib +// check-pass +#![feature(const_mut_refs)] +#![feature(const_precise_live_drops)] + +// Mutable reference allows only mutation of !Drop place. +pub const fn f() { + let mut x: (Option, u32) = (None, 0); + let mut a = 10; + *(&mut a) = 11; + x.1 = a; +} + +// Mutable reference allows only mutation of !Drop place. +pub const fn g() { + let mut a: (u32, Option) = (0, None); + let _ = &mut a.0; +} + +// Shared reference does not allow for mutation. +pub const fn h() { + let x: Option = None; + let _ = &x; +} -- cgit v1.2.3