---

yaml
---
r: 193890
b: refs/heads/beta
c: ea8b82e
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -31,7 +31,7 @@ refs/heads/automation-fail: 1bf06495443584539b958873e04cc2f864ab10e4
 refs/heads/issue-18208-method-dispatch-3-quick-reject: 2009f85b9f99dedcec4404418eda9ddba90258a2
 refs/heads/batch: b7fd822592a4fb577552d93010c4a4e14f314346
 refs/heads/building: 126db549b038c84269a1e4fe46f051b2c15d6970
-refs/heads/beta: e256b7f049b44fa697b9f9c5e75b4433a7d9ffdf
+refs/heads/beta: ea8b82e90c450febb1f26a07862a1ec89c22addd
 refs/heads/windistfix: 7608dbad651f02e837ed05eef3d74a6662a6e928
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: de8a23bbc3a7b9cbd7574b5b91a34af59bf030e6

branches/beta/src/libstd/sys/common/thread.rs

@@ -8,28 +8,23 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use core::prelude::*;
+use prelude::v1::*;
 
-use boxed::Box;
-use mem;
 use usize;
 use libc;
 use thunk::Thunk;
 use sys_common::stack;
-use sys::{thread, stack_overflow};
+use sys::stack_overflow;
 
 // This is the starting point of rust os threads. The first thing we do
 // is make sure that we don't trigger __morestack (also why this has a
 // no_stack_check annotation), and then we extract the main function
 // and invoke it.
 #[no_stack_check]
-pub fn start_thread(main: *mut libc::c_void) -> thread::rust_thread_return {
+pub fn start_thread(main: *mut libc::c_void) {
     unsafe {
         stack::record_os_managed_stack_bounds(0, usize::MAX);
-        let handler = stack_overflow::Handler::new();
-        let f: Box<Thunk> = Box::from_raw(main as *mut Thunk);
-        f.invoke(());
-        drop(handler);
-        mem::transmute(0 as thread::rust_thread_return)
+        let _handler = stack_overflow::Handler::new();
+        Box::from_raw(main as *mut Thunk).invoke(());
     }
 }