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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/const-ptr/out_of_bounds_read.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/const-ptr/out_of_bounds_read.rs')
-rw-r--r--src/test/ui/const-ptr/out_of_bounds_read.rs15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/const-ptr/out_of_bounds_read.rs b/src/test/ui/const-ptr/out_of_bounds_read.rs
new file mode 100644
index 000000000..9dd669180
--- /dev/null
+++ b/src/test/ui/const-ptr/out_of_bounds_read.rs
@@ -0,0 +1,15 @@
+// error-pattern: evaluation of constant value failed
+
+#![feature(const_ptr_read)]
+
+fn main() {
+ use std::ptr;
+
+ const DATA: [u32; 1] = [42];
+
+ const PAST_END_PTR: *const u32 = unsafe { DATA.as_ptr().add(1) };
+
+ const _READ: u32 = unsafe { ptr::read(PAST_END_PTR) };
+ const _CONST_READ: u32 = unsafe { PAST_END_PTR.read() };
+ const _MUT_READ: u32 = unsafe { (PAST_END_PTR as *mut u32).read() };
+}