00f4daa276
This skips emitting extra arguments at every callsite (of which there can be many). For a librustc_driver build with overflow checks enabled, this cuts 0.7MB from the resulting binary.
67 lines
1.1 KiB
Rust
67 lines
1.1 KiB
Rust
//@ compile-flags:-Zprint-mono-items=lazy
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// rust-lang/rust#90405
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// Ensure implicit panic calls are collected
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#![feature(lang_items)]
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#![feature(no_core)]
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#![crate_type = "lib"]
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#![no_core]
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#![no_std]
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#[lang = "panic_location"]
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struct Location<'a> {
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_file: &'a str,
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_line: u32,
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_col: u32,
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}
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#[lang = "panic_const_div_by_zero"]
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#[inline]
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#[track_caller]
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fn panic_div_zero() -> ! {
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loop {}
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}
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#[lang = "panic_const_div_overflow"]
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#[inline]
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#[track_caller]
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fn panic_div_overflow() -> ! {
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loop {}
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}
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#[lang = "sized"]
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trait Sized {}
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#[lang = "copy"]
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trait Copy {}
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#[lang = "freeze"]
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trait Freeze {}
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impl Copy for i32 {}
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#[lang = "div"]
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trait Div<Rhs = Self> {
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type Output;
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fn div(self, rhs: Rhs) -> Self::Output;
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}
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impl Div for i32 {
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type Output = i32;
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fn div(self, rhs: i32) -> i32 {
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self / rhs
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}
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}
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#[allow(unconditional_panic)]
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pub fn foo() {
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// This implicitly generates a panic call.
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let _ = 1 / 0;
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}
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//~ MONO_ITEM fn foo
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//~ MONO_ITEM fn <i32 as Div>::div
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//~ MONO_ITEM fn panic_div_zero
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//~ MONO_ITEM fn panic_div_overflow
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