Requirements for the bits-attribute-wrong message

Author: dtolnay

bitfield/tests/11-bits-attribute-wrong.rs

@@ -1,5 +1,8 @@
 // This is just the compile_fail version of the previous test case, testing what
 // error happens if the user has written an incorrect #[bits = N] attribute.
+//
+// Ensure that the error message points to the incorrect attribute and contains
+// the correct number of bits in some form.
 
 use bitfield::*;
 

bitfield/tests/11-bits-attribute-wrong.stderr

@@ -1,10 +1,10 @@
 error[E0308]: mismatched types
- --> $DIR/11-bits-attribute-wrong.rs:8:14
-  |
-8 |     #[bits = 9]
-  |              ^ expected an array with a fixed size of 9 elements, found one with 1 elements
-  |
-  = note: expected type `[(); 9]`
-             found type `[(); 1]`
+  --> $DIR/11-bits-attribute-wrong.rs:11:14
+   |
+11 |     #[bits = 9]
+   |              ^ expected an array with a fixed size of 9 elements, found one with 1 elements
+   |
+   = note: expected type `[(); 9]`
+              found type `[(); 1]`
 
 For more information about this error, try `rustc --explain E0308`.