Fix definition of LocalUseMapBuild so that it can build under stage0,

pnkfelix · pnkfelix · commit 8d231ec872aa · 2018-08-28T10:59:15.000+02:00
which does not have as many feature gates enabled.
diff --git a/src/librustc_mir/borrow_check/nll/type_check/liveness/local_use_map.rs b/src/librustc_mir/borrow_check/nll/type_check/liveness/local_use_map.rs
@@ -97,7 +97,7 @@ impl LocalUseMap<'me> {
     }
 }
 
-struct LocalUseMapBuild<'me, 'map> {
+struct LocalUseMapBuild<'me, 'map: 'me> {
     local_use_map: &'me mut LocalUseMap<'map>,
     elements: &'me RegionValueElements,
 }

Original file line number	Diff line number	Diff line change
`@@ -97,7 +97,7 @@ impl LocalUseMap<'me> {`
`97`	`97`	`}`
`98`	`98`	`}`
`99`	`99`
`100`		`-struct LocalUseMapBuild<'me, 'map> {`
	`100`	`+struct LocalUseMapBuild<'me, 'map: 'me> {`
`101`	`101`	`local_use_map: &'me mut LocalUseMap<'map>,`
`102`	`102`	`elements: &'me RegionValueElements,`
`103`	`103`	`}`