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Collect
panic/panic_bounds_check
during monomorphization
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src/test/codegen-units/item-collection/implicit-panic-call.rs
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// compile-flags:-Zprint-mono-items=lazy | ||
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// rust-lang/rust#90405 | ||
// Ensure implicit panic calls are collected | ||
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#![feature(lang_items)] | ||
#![feature(no_core)] | ||
#![crate_type = "lib"] | ||
#![no_core] | ||
#![no_std] | ||
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#[lang = "panic_location"] | ||
struct Location<'a> { | ||
_file: &'a str, | ||
_line: u32, | ||
_col: u32, | ||
} | ||
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#[lang = "panic"] | ||
#[inline] | ||
#[track_caller] | ||
fn panic(_: &'static str) -> ! { | ||
loop {} | ||
} | ||
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#[lang = "sized"] | ||
trait Sized {} | ||
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#[lang = "copy"] | ||
trait Copy {} | ||
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#[lang = "freeze"] | ||
trait Freeze {} | ||
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impl Copy for i32 {} | ||
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#[lang = "div"] | ||
trait Div<Rhs = Self> { | ||
type Output; | ||
fn div(self, rhs: Rhs) -> Self::Output; | ||
} | ||
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impl Div for i32 { | ||
type Output = i32; | ||
fn div(self, rhs: i32) -> i32 { | ||
self / rhs | ||
} | ||
} | ||
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#[allow(unconditional_panic)] | ||
pub fn foo() { | ||
// This implicitly generates a panic call. | ||
let _ = 1 / 0; | ||
} | ||
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//~ MONO_ITEM fn foo | ||
//~ MONO_ITEM fn <i32 as Div>::div | ||
//~ MONO_ITEM fn panic |