Merging upstream version 1.71.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/mir-opt/copy-prop/partial_init.rs b/tests/mir-opt/copy-prop/partial_init.rs
new file mode 100644
index 000000000..f5ab9974f
--- /dev/null
+++ b/tests/mir-opt/copy-prop/partial_init.rs
@@ -0,0 +1,18 @@
+// unit-test: CopyProp
+// Verify that we do not ICE on partial initializations.
+
+#![feature(custom_mir, core_intrinsics)]
+extern crate core;
+use core::intrinsics::mir::*;
+
+// EMIT_MIR partial_init.main.CopyProp.diff
+#[custom_mir(dialect = "runtime", phase = "post-cleanup")]
+pub fn main() {
+    mir! (
+        let x: (isize, );
+        {
+            x.0 = 1;
+            Return()
+        }
+    )
+}