rust/tests/fail/alloc/no_global_allocator.rs
2022-06-01 10:53:38 -04:00

26 lines
534 B
Rust

// Make sure we pretend the allocation symbols don't exist when there is no allocator
#![feature(lang_items, start)]
#![no_std]
extern "Rust" {
fn __rust_alloc(size: usize, align: usize) -> *mut u8;
}
#[start]
fn start(_: isize, _: *const *const u8) -> isize {
unsafe {
__rust_alloc(1, 1); //~ERROR: unsupported operation: can't call foreign function: __rust_alloc
}
0
}
#[panic_handler]
fn panic_handler(_: &core::panic::PanicInfo) -> ! {
loop {}
}
#[lang = "eh_personality"]
fn eh_personality() {}