From 64d98f8ee037282c35007b64c2649055c56af1db Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:03 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/mir-opt/inline/inline_cycle_generic.rs | 40 ++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 tests/mir-opt/inline/inline_cycle_generic.rs

(limited to 'tests/mir-opt/inline/inline_cycle_generic.rs')

diff --git a/tests/mir-opt/inline/inline_cycle_generic.rs b/tests/mir-opt/inline/inline_cycle_generic.rs
new file mode 100644
index 000000000..24b4f3793
--- /dev/null
+++ b/tests/mir-opt/inline/inline_cycle_generic.rs
@@ -0,0 +1,40 @@
+// Check that inliner handles various forms of recursion and doesn't fall into
+// an infinite inlining cycle. The particular outcome of inlining is not
+// crucial otherwise.
+//
+// Regression test for issue #78573.
+
+// EMIT_MIR inline_cycle_generic.main.Inline.diff
+fn main() {
+    <C as Call>::call();
+}
+
+pub trait Call {
+    fn call();
+}
+
+pub struct A;
+pub struct B<T>(T);
+pub struct C;
+
+impl Call for A {
+    #[inline]
+    fn call() {
+        <B<C> as Call>::call()
+    }
+}
+
+
+impl<T: Call> Call for B<T> {
+    #[inline]
+    fn call() {
+        <T as Call>::call()
+    }
+}
+
+impl Call for C {
+    #[inline]
+    fn call() {
+        <B<A> as Call>::call()
+    }
+}
-- 
cgit v1.2.3