No need to use local.into here

spastorino · oli-obk · commit 7f3459a3b3c0 · 2020-01-10T09:08:25.000+01:00
diff --git a/src/librustc/mir/mod.rs b/src/librustc/mir/mod.rs
@@ -1793,7 +1793,7 @@ impl<'tcx> Place<'tcx> {
 
 impl From<Local> for Place<'_> {
     fn from(local: Local) -> Self {
-        Place { local: local.into(), projection: List::empty() }
+        Place { local, projection: List::empty() }
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -1793,7 +1793,7 @@ impl<'tcx> Place<'tcx> {`
`1793`	`1793`
`1794`	`1794`	`impl From<Local> for Place<'_> {`
`1795`	`1795`	`fn from(local: Local) -> Self {`
`1796`		`- Place { local: local.into(), projection: List::empty() }`
	`1796`	`+ Place { local, projection: List::empty() }`
`1797`	`1797`	`}`
`1798`	`1798`	`}`
`1799`	`1799`