From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:03 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/consts/promotion-mutable-ref.rs | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 tests/ui/consts/promotion-mutable-ref.rs (limited to 'tests/ui/consts/promotion-mutable-ref.rs') diff --git a/tests/ui/consts/promotion-mutable-ref.rs b/tests/ui/consts/promotion-mutable-ref.rs new file mode 100644 index 000000000..d103c5a9d --- /dev/null +++ b/tests/ui/consts/promotion-mutable-ref.rs @@ -0,0 +1,17 @@ +// run-pass +#![feature(const_mut_refs)] + +static mut TEST: i32 = { + // We must not promote this, as CTFE needs to be able to mutate it later. + let x = &mut [1,2,3]; + x[0] += 1; + x[0] +}; + +// This still works -- it's not done via promotion. +#[allow(unused)] +static mut TEST2: &'static mut [i32] = &mut [0,1,2]; + +fn main() { + assert_eq!(unsafe { TEST }, 2); +} -- cgit v1.2.3