Rollup merge of #86393 - yerke:add-test-for-issue-52025, r=JohnTitor

Add regression test for issue #52025

Closes #52025

Took the test from #52025

Author: JohnTitor

src/test/ui/traits/operator-overloading-issue-52025.rs

@@ -0,0 +1,57 @@
+// only-x86_64
+// build-pass
+
+use std::arch::x86_64::*;
+use std::fmt::Debug;
+use std::ops::*;
+
+pub trait Simd {
+    type Vf32: Copy + Debug + Add<Self::Vf32, Output = Self::Vf32> + Add<f32, Output = Self::Vf32>;
+
+    unsafe fn set1_ps(a: f32) -> Self::Vf32;
+    unsafe fn add_ps(a: Self::Vf32, b: Self::Vf32) -> Self::Vf32;
+}
+
+#[derive(Copy, Debug, Clone)]
+pub struct F32x4(pub __m128);
+
+impl Add<F32x4> for F32x4 {
+    type Output = F32x4;
+
+    fn add(self, rhs: F32x4) -> F32x4 {
+        F32x4(unsafe { _mm_add_ps(self.0, rhs.0) })
+    }
+}
+
+impl Add<f32> for F32x4 {
+    type Output = F32x4;
+    fn add(self, rhs: f32) -> F32x4 {
+        F32x4(unsafe { _mm_add_ps(self.0, _mm_set1_ps(rhs)) })
+    }
+}
+
+pub struct Sse2;
+impl Simd for Sse2 {
+    type Vf32 = F32x4;
+
+    #[inline(always)]
+    unsafe fn set1_ps(a: f32) -> Self::Vf32 {
+        F32x4(_mm_set1_ps(a))
+    }
+
+    #[inline(always)]
+    unsafe fn add_ps(a: Self::Vf32, b: Self::Vf32) -> Self::Vf32 {
+        F32x4(_mm_add_ps(a.0, b.0))
+    }
+}
+
+unsafe fn test<S: Simd>() -> S::Vf32 {
+    let a = S::set1_ps(3.0);
+    let b = S::set1_ps(2.0);
+    let result = a + b;
+    result
+}
+
+fn main() {
+    println!("{:?}", unsafe { test::<Sse2>() });
+}