Auto merge of #84620 - Dylan-DPC:rollup-wkv97im, r=Dylan-DPC

[rust.git] / src / tools / clippy / tests / ui / transmute_float_to_int.rs

diff --git a/src/tools/clippy/tests/ui/transmute_float_to_int.rs b/src/tools/clippy/tests/ui/transmute_float_to_int.rs
index ce942751ada82cee06778cf4599528b3073e5397..1040fee4b34d00c3b2cff7c9106ac16338d8ade7 100644 (file)
--- a/src/tools/clippy/tests/ui/transmute_float_to_int.rs
+++ b/src/tools/clippy/tests/ui/transmute_float_to_int.rs
@@ -1,4 +1,5 @@
-#[warn(clippy::transmute_float_to_int)]
+#![feature(const_fn_transmute)]
+#![warn(clippy::transmute_float_to_int)]
 
 fn float_to_int() {
     let _: u32 = unsafe { std::mem::transmute(1f32) };
@@ -9,4 +10,17 @@ fn float_to_int() {
     let _: u64 = unsafe { std::mem::transmute(-1.0) };
 }
 
+mod issue_5747 {
+    const VALUE32: i32 = unsafe { std::mem::transmute(1f32) };
+    const VALUE64: u64 = unsafe { std::mem::transmute(1f64) };
+
+    const fn to_bits_32(v: f32) -> u32 {
+        unsafe { std::mem::transmute(v) }
+    }
+
+    const fn to_bits_64(v: f64) -> i64 {
+        unsafe { std::mem::transmute(v) }
+    }
+}
+
 fn main() {}