1 files changed, 6 insertions, 4 deletions
diff --git a/compiler/rustc_codegen_gcc/example/mini_core_hello_world.rs b/compiler/rustc_codegen_gcc/example/mini_core_hello_world.rs
index 14fd9eeff..cff260777 100644
--- a/compiler/rustc_codegen_gcc/example/mini_core_hello_world.rs
+++ b/compiler/rustc_codegen_gcc/example/mini_core_hello_world.rs
@@ -1,7 +1,7 @@
 // Adapted from https://github.com/sunfishcode/mir2cranelift/blob/master/rust-examples/nocore-hello-world.rs
 
 #![feature(
-    no_core, unboxed_closures, start, lang_items, box_syntax, never_type, linkage,
+    no_core, unboxed_closures, start, lang_items, never_type, linkage,
     extern_types, thread_local
 )]
 #![no_core]
@@ -85,6 +85,7 @@ fn start<T: Termination + 'static>(
     main: fn() -> T,
     argc: isize,
     argv: *const *const u8,
+    _sigpipe: u8,
 ) -> isize {
     if argc == 3 {
         unsafe { puts(*argv); }
@@ -162,7 +163,7 @@ fn main() {
         let ptr: *const u8 = hello as *const [u8] as *const u8;
         puts(ptr);
 
-        let world: Box<&str> = box "World!\0";
+        let world: Box<&str> = Box::new("World!\0");
         puts(*world as *const str as *const u8);
         world as Box<dyn SomeTrait>;
 
@@ -222,12 +223,13 @@ fn main() {
         }
     }
 
-    let _ = box NoisyDrop {
+    let _ = Box::new(NoisyDrop {
         text: "Boxed outer got dropped!\0",
         inner: NoisyDropInner,
-    } as Box<dyn SomeTrait>;
+    }) as Box<dyn SomeTrait>;
 
     const FUNC_REF: Option<fn()> = Some(main);
+    #[allow(unreachable_code)]
     match FUNC_REF {
         Some(_) => {},
         None => assert!(false),