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-rw-r--r--compiler/rustc_codegen_gcc/example/alloc_example.rs22
1 files changed, 14 insertions, 8 deletions
diff --git a/compiler/rustc_codegen_gcc/example/alloc_example.rs b/compiler/rustc_codegen_gcc/example/alloc_example.rs
index 74ea7ec4e..754e79314 100644
--- a/compiler/rustc_codegen_gcc/example/alloc_example.rs
+++ b/compiler/rustc_codegen_gcc/example/alloc_example.rs
@@ -1,4 +1,4 @@
-#![feature(start, box_syntax, core_intrinsics, alloc_error_handler)]
+#![feature(start, core_intrinsics, alloc_error_handler, lang_items)]
#![no_std]
extern crate alloc;
@@ -18,21 +18,27 @@ extern "C" {
#[panic_handler]
fn panic_handler(_: &core::panic::PanicInfo) -> ! {
- unsafe {
- core::intrinsics::abort();
- }
+ core::intrinsics::abort();
}
#[alloc_error_handler]
fn alloc_error_handler(_: alloc::alloc::Layout) -> ! {
- unsafe {
- core::intrinsics::abort();
- }
+ core::intrinsics::abort();
+}
+
+#[lang = "eh_personality"]
+fn eh_personality() -> ! {
+ loop {}
+}
+
+#[no_mangle]
+unsafe extern "C" fn _Unwind_Resume() {
+ core::intrinsics::unreachable();
}
#[start]
fn main(_argc: isize, _argv: *const *const u8) -> isize {
- let world: Box<&str> = box "Hello World!\0";
+ let world: Box<&str> = Box::new("Hello World!\0");
unsafe {
puts(*world as *const str as *const u8);
}