1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/issue-76387-llvm-miscompile.rs b/src/test/ui/issue-76387-llvm-miscompile.rs
new file mode 100644
index 000000000..a9b4686c9
--- /dev/null
+++ b/src/test/ui/issue-76387-llvm-miscompile.rs
@@ -0,0 +1,22 @@
+// no-system-llvm
+// compile-flags: -C opt-level=3
+// aux-build: issue-76387.rs
+// run-pass
+
+// Regression test for issue #76387
+// Tests that LLVM doesn't miscompile this
+
+extern crate issue_76387;
+
+use issue_76387::FatPtr;
+
+fn print(data: &[u8]) {
+    println!("{:#?}", data);
+}
+
+fn main() {
+    let ptr = FatPtr::new(20);
+    let data = unsafe { std::slice::from_raw_parts(ptr.as_ptr(), ptr.len()) };
+
+    print(data);
+}