1 files changed, 50 insertions, 0 deletions
diff --git a/src/test/ui/numbers-arithmetic/float-int-invalid-const-cast.rs b/src/test/ui/numbers-arithmetic/float-int-invalid-const-cast.rs
new file mode 100644
index 000000000..769114960
--- /dev/null
+++ b/src/test/ui/numbers-arithmetic/float-int-invalid-const-cast.rs
@@ -0,0 +1,50 @@
+// run-pass
+
+#![deny(const_err)]
+
+// Forces evaluation of constants, triggering hard error
+fn force<T>(_: T) {}
+
+fn main() {
+    { const X: u16 = -1. as u16; force(X); }
+    { const X: u128 = -100. as u128; force(X); }
+
+    { const X: i8 = f32::NAN as i8; force(X); }
+    { const X: i32 = f32::NAN as i32; force(X); }
+    { const X: u64 = f32::NAN as u64; force(X); }
+    { const X: u128 = f32::NAN as u128; force(X); }
+
+    { const X: i8 = f32::INFINITY as i8; force(X); }
+    { const X: u32 = f32::INFINITY as u32; force(X); }
+    { const X: i128 = f32::INFINITY as i128; force(X); }
+    { const X: u128 = f32::INFINITY as u128; force(X); }
+
+    { const X: u8 = f32::NEG_INFINITY as u8; force(X); }
+    { const X: u16 = f32::NEG_INFINITY as u16; force(X); }
+    { const X: i64 = f32::NEG_INFINITY as i64; force(X); }
+    { const X: i128 = f32::NEG_INFINITY as i128; force(X); }
+
+    { const X: i8 = f64::NAN as i8; force(X); }
+    { const X: i32 = f64::NAN as i32; force(X); }
+    { const X: u64 = f64::NAN as u64; force(X); }
+    { const X: u128 = f64::NAN as u128; force(X); }
+
+    { const X: i8 = f64::INFINITY as i8; force(X); }
+    { const X: u32 = f64::INFINITY as u32; force(X); }
+    { const X: i128 = f64::INFINITY as i128; force(X); }
+    { const X: u128 = f64::INFINITY as u128; force(X); }
+
+    { const X: u8 = f64::NEG_INFINITY as u8; force(X); }
+    { const X: u16 = f64::NEG_INFINITY as u16; force(X); }
+    { const X: i64 = f64::NEG_INFINITY as i64; force(X); }
+    { const X: i128 = f64::NEG_INFINITY as i128; force(X); }
+
+    { const X: u8 = 256. as u8; force(X); }
+    { const X: i8 = -129. as i8; force(X); }
+    { const X: i8 = 128. as i8; force(X); }
+    { const X: i32 = 2147483648. as i32; force(X); }
+    { const X: i32 = -2147483904. as i32; force(X); }
+    { const X: u32 = 4294967296. as u32; force(X); }
+    { const X: u128 = 1e40 as u128; force(X); }
+    { const X: i128 = 1e40 as i128; force(X); }
+}