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/validate_never_arrays.rs | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 tests/ui/consts/validate_never_arrays.rs (limited to 'tests/ui/consts/validate_never_arrays.rs') diff --git a/tests/ui/consts/validate_never_arrays.rs b/tests/ui/consts/validate_never_arrays.rs new file mode 100644 index 000000000..f96ca6839 --- /dev/null +++ b/tests/ui/consts/validate_never_arrays.rs @@ -0,0 +1,12 @@ +// Strip out raw byte dumps to make comparison platform-independent: +// normalize-stderr-test "(the raw bytes of the constant) \(size: [0-9]*, align: [0-9]*\)" -> "$1 (size: $$SIZE, align: $$ALIGN)" +// normalize-stderr-test "([0-9a-f][0-9a-f] |╾─*a(lloc)?[0-9]+(\+[a-z0-9]+)?─*╼ )+ *│.*" -> "HEX_DUMP" +#![feature(never_type)] + +const _: &[!; 1] = unsafe { &*(1_usize as *const [!; 1]) }; //~ ERROR undefined behavior +const _: &[!; 0] = unsafe { &*(1_usize as *const [!; 0]) }; // ok +const _: &[!] = unsafe { &*(1_usize as *const [!; 0]) }; // ok +const _: &[!] = unsafe { &*(1_usize as *const [!; 1]) }; //~ ERROR undefined behavior +const _: &[!] = unsafe { &*(1_usize as *const [!; 42]) }; //~ ERROR undefined behavior + +fn main() {} -- cgit v1.2.3