1 files changed, 2 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/floating_point_logbase.rs b/src/tools/clippy/tests/ui/floating_point_logbase.rs
index 26bc20d53..ba5b8d406 100644
--- a/src/tools/clippy/tests/ui/floating_point_logbase.rs
+++ b/src/tools/clippy/tests/ui/floating_point_logbase.rs
@@ -1,10 +1,12 @@
 // run-rustfix
 #![warn(clippy::suboptimal_flops)]
+#![allow(clippy::unnecessary_cast)]
 
 fn main() {
     let x = 3f32;
     let y = 5f32;
     let _ = x.ln() / y.ln();
+    let _ = (x as f32).ln() / y.ln();
     let _ = x.log2() / y.log2();
     let _ = x.log10() / y.log10();
     let _ = x.log(5f32) / y.log(5f32);