Aatch

enum opaque {}

trait thing {
    pub fn foo(&self);
}

impl thing for opaque {
    pub fn foo(&self) {
        unsafe {
            let o : *[int,..8] = std::cast::transmute(self);

Aatch

#[allow(default_methods)];

extern mod syntax;

use std::os;

use syntax::abi::AbiSet;
use syntax::codemap::span;
use syntax::parse;
use syntax::opt_vec;

Aatch

execve("./test", ["./test"], [/* 54 vars */]) = 0
brk(0)                                  = 0x6f8000
readlink("/proc/self/exe", "/home/james/tmp/test", 4096) = 20
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb03fd5d000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/home/james/tmp/../../../usr/local/lib/rustc/x86_64-unknown-linux-gnu/lib/tls/x86_64/librt.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/home/james/tmp/../../../usr/local/lib/rustc/x86_64-unknown-linux-gnu/lib/tls/x86_64", 0x7fff360cf100) = -1 ENOENT (No such file or directory)
open("/home/james/tmp/../../../usr/local/lib/rustc/x86_64-unknown-linux-gnu/lib/tls/librt.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/home/james/tmp/../../../usr/local/lib/rustc/x86_64-unknown-linux-gnu/lib/tls", 0x7fff360cf100) = -1 ENOENT (No such file or directory)
open("/home/james/tmp/../../../usr/local/lib/rustc/x86_64-unknown-linux-gnu/lib

Aatch

#[allow(default_methods)];

trait Foo {
    pub fn visit_crate(&mut self) {
        self.visit_mod([1,2,3])
    }

    pub fn visit_mod(&mut self, a: &[uint]) {
        for a.iter().advance |i| {
            self.visit_item(i);

Aatch

#[inline(always)]
unsafe fn syscall0(n: int) -> int {
    let mut ret : int = 0;

    asm!("syscall" : "={rax}"(ret) : "{rax}"(n) : "rcx", "r11", "memory" : "volatile");

    return ret;
}

#[inline(always)]

Aatch

_ZN7rt_exit17_96fb77fd6c6361db3_00E:
	.cfi_startproc
	cmpq	%fs:112, %rsp
	ja	.LBB5_2
	movabsq	$8, %r10
	movabsq	$0, %r11
	callq	__morestack
	ret
.LBB5_2:
	pushq	%rbp

Aatch

Before

Structs

[struct]  	Lifetime: 48
[struct]  	Path: 104
[struct]  	def_id: 16
[struct]  	TyParam: 32
[struct]  	Generics: 16

Aatch

extern mod std;
extern mod syntax;

use syntax::ast::*;
use std::sys::size_of;

macro_rules! type_size (
    (S $t:ident) => (print_type_size::<$t>("struct", stringify!($t)));
    (E $t:ident) => (print_type_size::<$t>("enum", stringify!($t)))
)

Aatch

/*

This is some hypothetical builder object that mutably
borrows a `Map` then does stuff to it. But the map itself
has a bounded lifetime.

What compiles is this:
*/

struct Builder<'self> {

Aatch

<?php
/*

Horrible Memory Corruption Bug.

So using PHPUnit, the file below (more-or-less) gets included inside a function as bootstrapping
script for PHPUnit. The first time it runs (i.e. no bytecode cache) it works fine. The second
causes a segfault in release mode. It asserts if assertions are turned on (-DALWAYS_ASSERT).

The assertion is: