rustc_target: deny(unused_lifetimes).

Author: eddyb

src/librustc_target/abi/mod.rs

@@ -583,7 +583,7 @@ pub enum Primitive {
     Pointer
 }
 
-impl<'a, 'tcx> Primitive {
+impl Primitive {
     pub fn size<C: HasDataLayout>(self, cx: &C) -> Size {
         let dl = cx.data_layout();
 

src/librustc_target/lib.rs

@@ -17,6 +17,7 @@
 
 #![deny(rust_2018_idioms)]
 #![deny(internal)]
+#![deny(unused_lifetimes)]
 
 #[macro_use] extern crate log;