Auto merge of #49264 - kennytm:rollup, r=kennytm

Rollup of 23 pull requests

- Successful merges: #48374, #48596, #48759, #48939, #49029, #49069, #49093, #49109, #49117, #49140, #49158, #49188, #49189, #49209, #49211, #49216, #49225, #49231, #49234, #49242, #49244, #49105, #49038
- Failed merges:

1 files changed, 0 insertions, 3 deletions

diff --git a/src/libcore/tests/ascii.rs b/src/libcore/tests/ascii.rs
index 4d43067ad2c..950222dbcfa 100644
--- a/src/libcore/tests/ascii.rs
+++ b/src/libcore/tests/ascii.rs
@@ -9,7 +9,6 @@
 // except according to those terms.
 
 use core::char::from_u32;
-use std::ascii::AsciiExt;
 
 #[test]
 fn test_is_ascii() {
@@ -143,8 +142,6 @@ macro_rules! assert_all {
                            stringify!($what), b);
                 }
             }
-            assert!($str.$what());
-            assert!($str.as_bytes().$what());
         )+
     }};
     ($what:ident, $($str:tt),+,) => (assert_all!($what,$($str),+))