Attempt to avoid LLVM error

Author: calebzulawski

Cargo.lock

@@ -188,4 +188,14 @@ where
     fn fract(self) -> Self {
         self - self.trunc()
     }
+
+    // https://github.com/llvm/llvm-project/issues/83729
+    #[cfg(target_arch = "aarch64")]
+    fn ln(self) -> Self {
+        if N == 1 {
+            Self::splat(self[0].ln())
+        } else {
+            unsafe { intrinsics::simd_flog(self) }
+        }
+    }
 }

crates/std_float/src/lib.rs

@@ -53,9 +53,19 @@ macro_rules! impl_tests {
         mod $scalar {
             use std_float::StdFloat;
 
-            unary_test! { $scalar, sqrt, sin, cos, exp, exp2, ln, log2, log10, ceil, floor, round, trunc, fract }
+            unary_test! { $scalar, sqrt, sin, cos, exp, exp2, ln, log2, log10, ceil, floor, round, trunc }
             binary_test! { $scalar, log }
             ternary_test! { $scalar, mul_add }
+
+            test_helpers::test_lanes! {
+                fn fract<const LANES: usize>() {
+                    test_helpers::test_unary_elementwise_flush_subnormals(
+                        &core_simd::simd::Simd::<$scalar, LANES>::fract,
+                        &$scalar::fract,
+                        &|_| true,
+                    )
+                }
+            }
         }
     }
 }