---

yaml
---
r: 276503
b: refs/heads/try
c: b385ce1
h: refs/heads/master
i:
  276501: 510c546
  276499: 4d6a5cd
  276495: 7b1319e

Author: nikomatsakis

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: 6dbb0e86aec11050480beb76eade6fb805010ba7
 refs/heads/snap-stage3: 235d77457d80b549dad3ac36d94f235208a1eafb
-refs/heads/try: 751c24d345cd016429583e4d6654538ed881748a
+refs/heads/try: b385ce12232a6c192b168b75ec9867a5a83d2036
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try/src/rtstartup/rsbegin.rs

@@ -23,9 +23,20 @@
 // of other runtime components (registered via yet another special image section).
 
 #![crate_type="rlib"]
-#![no_std]
+#![feature(no_core, lang_items, optin_builtin_traits)]
+#![no_core]
 #![allow(non_camel_case_types)]
 
+#[lang="sized"]
+trait Sized {}
+
+#[lang="copy"]
+trait Copy {}
+
+#[lang="sync"]
+trait Sync {}
+impl Sync for .. {}
+
 #[cfg(all(target_os="windows", target_arch = "x86", target_env="gnu"))]
 pub mod eh_frames
 {

branches/try/src/rtstartup/rsend.rs

@@ -11,7 +11,12 @@
 // See rsbegin.rs for details.
 
 #![crate_type="rlib"]
-#![no_std]
+#![feature(no_core, lang_items, optin_builtin_traits)]
+#![no_core]
+
+#[lang="sync"]
+trait Sync {}
+impl Sync for .. {}
 
 #[cfg(all(target_os="windows", target_arch = "x86", target_env="gnu"))]
 pub mod eh_frames

branches/try/src/test/run-pass/smallest-hello-world.rs

@@ -22,7 +22,7 @@ extern "rust-intrinsic" { fn transmute<T, U>(t: T) -> U; }
 
 #[lang = "eh_personality"] extern fn eh_personality() {}
 #[lang = "eh_unwind_resume"] extern fn eh_unwind_resume() {}
-#[lang = "panic_fmt"] fn panic_fmt() -> ! { loop {} }
+#[lang = "panic_fmt"] extern fn panic_fmt() -> ! { loop {} }
 #[no_mangle] pub extern fn rust_eh_register_frames () {}
 #[no_mangle] pub extern fn rust_eh_unregister_frames () {}