From 313f04f4fff32ecf376c8af0e5d80e196f2bc056 Mon Sep 17 00:00:00 2001
From: icedrocket <114203630+icedrocket@users.noreply.github.com>
Date: Thu, 23 Feb 2023 08:39:23 +0900
Subject: [PATCH] Add regression test for #105626

---
 tests/ui/numbers-arithmetic/issue-105626.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 tests/ui/numbers-arithmetic/issue-105626.rs

diff --git a/tests/ui/numbers-arithmetic/issue-105626.rs b/tests/ui/numbers-arithmetic/issue-105626.rs
new file mode 100644
index 00000000000..f97edd510c9
--- /dev/null
+++ b/tests/ui/numbers-arithmetic/issue-105626.rs
@@ -0,0 +1,17 @@
+// run-pass
+// only-x86
+// min-system-llvm-version: 16
+// compile-flags: -Ctarget-feature=+sse2
+
+use std::hint::black_box;
+
+fn main() {
+    let n: i64 = black_box(0x3fffffdfffffff);
+    let r = f32::from_bits(0x5a7fffff);
+
+    assert_ne!((n as f64) as f32, n as f32);
+
+    // FIXME: these assertions fail if only x87 is enabled
+    assert_eq!(n as i64 as f32, r);
+    assert_eq!(n as u64 as f32, r);
+}