From 4e8199b572f2035b7749cba276ece3a26630d23e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:18:21 +0200
Subject: Adding upstream version 1.67.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../const_prop/control_flow_simplification.rs       | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/test/mir-opt/const_prop/control_flow_simplification.rs

(limited to 'src/test/mir-opt/const_prop/control_flow_simplification.rs')

diff --git a/src/test/mir-opt/const_prop/control_flow_simplification.rs b/src/test/mir-opt/const_prop/control_flow_simplification.rs
new file mode 100644
index 000000000..7dbe8e734
--- /dev/null
+++ b/src/test/mir-opt/const_prop/control_flow_simplification.rs
@@ -0,0 +1,21 @@
+// unit-test: ConstProp
+// compile-flags: -Zmir-opt-level=1
+
+trait NeedsDrop: Sized {
+    const NEEDS: bool = std::mem::needs_drop::<Self>();
+}
+
+impl<This> NeedsDrop for This {}
+
+// EMIT_MIR control_flow_simplification.hello.ConstProp.diff
+// EMIT_MIR control_flow_simplification.hello.PreCodegen.before.mir
+fn hello<T>(){
+    if <bool>::NEEDS {
+        panic!()
+    }
+}
+
+pub fn main() {
+    hello::<()>();
+    hello::<Vec<()>>();
+}
-- 
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