1 files changed, 116 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/cast_size.stderr b/src/tools/clippy/tests/ui/cast_size.stderr
new file mode 100644
index 000000000..95552f2e2
--- /dev/null
+++ b/src/tools/clippy/tests/ui/cast_size.stderr
@@ -0,0 +1,116 @@
+error: casting `isize` to `i8` may truncate the value
+  --> $DIR/cast_size.rs:12:5
+   |
+LL |     1isize as i8;
+   |     ^^^^^^^^^^^^
+   |
+   = note: `-D clippy::cast-possible-truncation` implied by `-D warnings`
+
+error: casting `isize` to `f64` causes a loss of precision on targets with 64-bit wide pointers (`isize` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide)
+  --> $DIR/cast_size.rs:15:5
+   |
+LL |     x0 as f64;
+   |     ^^^^^^^^^
+   |
+   = note: `-D clippy::cast-precision-loss` implied by `-D warnings`
+
+error: casting `usize` to `f64` causes a loss of precision on targets with 64-bit wide pointers (`usize` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide)
+  --> $DIR/cast_size.rs:16:5
+   |
+LL |     x1 as f64;
+   |     ^^^^^^^^^
+
+error: casting `isize` to `f32` causes a loss of precision (`isize` is 32 or 64 bits wide, but `f32`'s mantissa is only 23 bits wide)
+  --> $DIR/cast_size.rs:17:5
+   |
+LL |     x0 as f32;
+   |     ^^^^^^^^^
+
+error: casting `usize` to `f32` causes a loss of precision (`usize` is 32 or 64 bits wide, but `f32`'s mantissa is only 23 bits wide)
+  --> $DIR/cast_size.rs:18:5
+   |
+LL |     x1 as f32;
+   |     ^^^^^^^^^
+
+error: casting `isize` to `i32` may truncate the value on targets with 64-bit wide pointers
+  --> $DIR/cast_size.rs:19:5
+   |
+LL |     1isize as i32;
+   |     ^^^^^^^^^^^^^
+
+error: casting `isize` to `u32` may truncate the value on targets with 64-bit wide pointers
+  --> $DIR/cast_size.rs:20:5
+   |
+LL |     1isize as u32;
+   |     ^^^^^^^^^^^^^
+
+error: casting `usize` to `u32` may truncate the value on targets with 64-bit wide pointers
+  --> $DIR/cast_size.rs:21:5
+   |
+LL |     1usize as u32;
+   |     ^^^^^^^^^^^^^
+
+error: casting `usize` to `i32` may truncate the value on targets with 64-bit wide pointers
+  --> $DIR/cast_size.rs:22:5
+   |
+LL |     1usize as i32;
+   |     ^^^^^^^^^^^^^
+
+error: casting `usize` to `i32` may wrap around the value on targets with 32-bit wide pointers
+  --> $DIR/cast_size.rs:22:5
+   |
+LL |     1usize as i32;
+   |     ^^^^^^^^^^^^^
+   |
+   = note: `-D clippy::cast-possible-wrap` implied by `-D warnings`
+
+error: casting `i64` to `isize` may truncate the value on targets with 32-bit wide pointers
+  --> $DIR/cast_size.rs:24:5
+   |
+LL |     1i64 as isize;
+   |     ^^^^^^^^^^^^^
+
+error: casting `i64` to `usize` may truncate the value on targets with 32-bit wide pointers
+  --> $DIR/cast_size.rs:25:5
+   |
+LL |     1i64 as usize;
+   |     ^^^^^^^^^^^^^
+
+error: casting `u64` to `isize` may truncate the value on targets with 32-bit wide pointers
+  --> $DIR/cast_size.rs:26:5
+   |
+LL |     1u64 as isize;
+   |     ^^^^^^^^^^^^^
+
+error: casting `u64` to `isize` may wrap around the value on targets with 64-bit wide pointers
+  --> $DIR/cast_size.rs:26:5
+   |
+LL |     1u64 as isize;
+   |     ^^^^^^^^^^^^^
+
+error: casting `u64` to `usize` may truncate the value on targets with 32-bit wide pointers
+  --> $DIR/cast_size.rs:27:5
+   |
+LL |     1u64 as usize;
+   |     ^^^^^^^^^^^^^
+
+error: casting `u32` to `isize` may wrap around the value on targets with 32-bit wide pointers
+  --> $DIR/cast_size.rs:28:5
+   |
+LL |     1u32 as isize;
+   |     ^^^^^^^^^^^^^
+
+error: casting `i32` to `f32` causes a loss of precision (`i32` is 32 bits wide, but `f32`'s mantissa is only 23 bits wide)
+  --> $DIR/cast_size.rs:33:5
+   |
+LL |     999_999_999 as f32;
+   |     ^^^^^^^^^^^^^^^^^^
+
+error: casting `usize` to `f64` causes a loss of precision on targets with 64-bit wide pointers (`usize` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide)
+  --> $DIR/cast_size.rs:34:5
+   |
+LL |     9_999_999_999_999_999usize as f64;
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 18 previous errors
+