Fix Applicability

clippy_lints/src/redundant_clone.rs

@@ -211,8 +211,8 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for RedundantClone {
                         let mut app = Applicability::MaybeIncorrect;
                         let mut call_snip = &snip[dot + 1..];
                         if call_snip.ends_with("()") {
-                            call_snip = &call_snip[..call_snip.len()-2];
-                            if call_snip.as_bytes().iter().all(u8::is_ascii_alphabetic) {
+                            call_snip = call_snip[..call_snip.len()-2].trim();
+                            if call_snip.as_bytes().iter().all(|b| b.is_ascii_alphabetic() || *b == b'_') {
                                 app = Applicability::MachineApplicable;
                             }
                         }

tests/ui/redundant_clone.fixed

@@ -1,5 +1,5 @@
 // run-rustfix
-
+// rustfix-only-machine-applicable
 use std::ffi::OsString;
 use std::path::Path;
 

tests/ui/redundant_clone.rs

@@ -1,5 +1,5 @@
 // run-rustfix
-
+// rustfix-only-machine-applicable
 use std::ffi::OsString;
 use std::path::Path;