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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:43 +0000 |
commit | 3e3e70d529d8c7d7c4d7bc4fefc9f109393b9245 (patch) | |
tree | daf049b282ab10e8c3d03e409b3cd84ff3f7690c /tests/mir-opt/lower_array_len.rs | |
parent | Adding debian version 1.68.2+dfsg1-1. (diff) | |
download | rustc-3e3e70d529d8c7d7c4d7bc4fefc9f109393b9245.tar.xz rustc-3e3e70d529d8c7d7c4d7bc4fefc9f109393b9245.zip |
Merging upstream version 1.69.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | tests/mir-opt/lower_array_len.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/mir-opt/lower_array_len.rs b/tests/mir-opt/lower_array_len.rs index ea0224b21..972d46cb8 100644 --- a/tests/mir-opt/lower_array_len.rs +++ b/tests/mir-opt/lower_array_len.rs @@ -31,10 +31,26 @@ pub fn array_len_by_value<const N: usize>(arr: [u8; N]) -> usize { arr.len() } +// EMIT_MIR lower_array_len.array_len_reborrow.NormalizeArrayLen.diff +pub fn array_len_reborrow<const N: usize>(mut arr: [u8; N]) -> usize { + let arr: &mut [_] = &mut arr; + let arr = &*arr; + arr.len() +} + +// EMIT_MIR lower_array_len.array_len_raw.NormalizeArrayLen.diff +pub fn array_len_raw<const N: usize>(arr: [u8; N]) -> usize { + let arr: &[_] = &arr; + let arr = std::ptr::addr_of!(*arr); + unsafe { &*arr }.len() +} + fn main() { let _ = array_bound(3, &[0, 1, 2, 3]); let mut tmp = [0, 1, 2, 3, 4]; let _ = array_bound_mut(3, &mut [0, 1, 2, 3]); let _ = array_len(&[0]); let _ = array_len_by_value([0, 2]); + let _ = array_len_reborrow([0, 2]); + let _ = array_len_raw([0, 2]); } |