generate stderr file on 32bit pointer system

Author: tesuji

tests/ui/transmute_32bit.rs

@@ -1,6 +1,6 @@
-//ignore-x86_64
+// ignore-64bit
 
-#[warn(wrong_transmute)]
+#[warn(clippy::wrong_transmute)]
 fn main() {
     unsafe {
         let _: *const usize = std::mem::transmute(6.0f32);

tests/ui/transmute_32bit.stderr

@@ -0,0 +1,28 @@
+error: transmute from a `f32` to a pointer
+  --> $DIR/transmute_32bit.rs:6:31
+   |
+LL |         let _: *const usize = std::mem::transmute(6.0f32);
+   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: `-D clippy::wrong-transmute` implied by `-D warnings`
+
+error: transmute from a `f32` to a pointer
+  --> $DIR/transmute_32bit.rs:8:29
+   |
+LL |         let _: *mut usize = std::mem::transmute(6.0f32);
+   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: transmute from a `char` to a pointer
+  --> $DIR/transmute_32bit.rs:10:31
+   |
+LL |         let _: *const usize = std::mem::transmute('x');
+   |                               ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: transmute from a `char` to a pointer
+  --> $DIR/transmute_32bit.rs:12:29
+   |
+LL |         let _: *mut usize = std::mem::transmute('x');
+   |                             ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 4 previous errors
+

tests/ui/transmute_64bit.rs

@@ -1,5 +1,4 @@
-//ignore-x86
-//no-ignore-x86_64
+// ignore-32bit
 
 #[warn(clippy::wrong_transmute)]
 fn main() {

tests/ui/transmute_64bit.stderr

@@ -1,13 +1,13 @@
 error: transmute from a `f64` to a pointer
-  --> $DIR/transmute_64bit.rs:7:31
+  --> $DIR/transmute_64bit.rs:6:31
    |
 LL |         let _: *const usize = std::mem::transmute(6.0f64);
    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: `-D clippy::wrong-transmute` implied by `-D warnings`
 
 error: transmute from a `f64` to a pointer
-  --> $DIR/transmute_64bit.rs:9:29
+  --> $DIR/transmute_64bit.rs:8:29
    |
 LL |         let _: *mut usize = std::mem::transmute(6.0f64);
    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^