fix

Zoxc · Zoxc · commit 274b927fa868 · 2019-01-11T07:01:36.000+01:00
diff --git a/src/libarena/lib.rs b/src/libarena/lib.rs
@@ -27,6 +27,7 @@ extern crate smallvec;
 extern crate rustc_data_structures;
 
 use rustc_data_structures::sync::MTLock;
+#[allow(unused_imports)]
 use smallvec::SmallVec;
 
 use std::cell::{Cell, RefCell};
@@ -194,6 +195,7 @@ impl<T> TypedArena<T> {
         }
     }
 
+    #[allow(unreachable_code)]
     pub fn alloc_from_iter<I: IntoIterator<Item=T>>(&self, iter: I) -> &[T] where T: Clone {
         assert!(mem::size_of::<T>() != 0);
         let vec: Vec<_> = iter.into_iter().collect();

Original file line number	Diff line number	Diff line change
`@@ -27,6 +27,7 @@ extern crate smallvec;`
`27`	`27`	`extern crate rustc_data_structures;`
`28`	`28`
`29`	`29`	`use rustc_data_structures::sync::MTLock;`
	`30`	`+#[allow(unused_imports)]`
`30`	`31`	`use smallvec::SmallVec;`
`31`	`32`
`32`	`33`	`use std::cell::{Cell, RefCell};`
`@@ -194,6 +195,7 @@ impl<T> TypedArena<T> {`
`194`	`195`	`}`
`195`	`196`	`}`
`196`	`197`
	`198`	`+ #[allow(unreachable_code)]`
`197`	`199`	`pub fn alloc_from_iter<I: IntoIterator<Item=T>>(&self, iter: I) -> &[T] where T: Clone {`
`198`	`200`	`assert!(mem::size_of::<T>() != 0);`
`199`	`201`	`let vec: Vec<_> = iter.into_iter().collect();`