Merge commit '59a81c2ca1' into subtree-update_cg_gcc_2025_01_12

compiler/rustc_codegen_gcc/tests/run/condition.rs

@@ -5,304 +5,20 @@
 //   stdout: true
 //     1
 
-#![feature(arbitrary_self_types, auto_traits, lang_items, no_core, start, intrinsics, rustc_attrs)]
-#![allow(internal_features)]
+#![feature(no_core, start)]
 
 #![no_std]
 #![no_core]
 
-/*
- * Core
- */
-
-// Because we don't have core yet.
-#[lang = "sized"]
-pub trait Sized {}
-
-#[lang = "copy"]
-trait Copy {
-}
-
-impl Copy for isize {}
-impl Copy for usize {}
-impl Copy for u64 {}
-impl Copy for i32 {}
-impl Copy for u32 {}
-impl Copy for bool {}
-impl Copy for u16 {}
-impl Copy for i16 {}
-impl Copy for char {}
-impl Copy for i8 {}
-impl Copy for u8 {}
-impl<T: ?Sized> Copy for *mut T {}
-
-#[lang = "receiver"]
-trait Receiver {
-}
-
-#[lang = "freeze"]
-pub(crate) unsafe auto trait Freeze {}
+extern crate mini_core;
 
 mod libc {
     #[link(name = "c")]
     extern "C" {
         pub fn printf(format: *const i8, ...) -> i32;
-        pub fn puts(s: *const u8) -> i32;
     }
 }
 
-#[lang = "index"]
-pub trait Index<Idx: ?Sized> {
-    type Output: ?Sized;
-    fn index(&self, index: Idx) -> &Self::Output;
-}
-
-impl<T> Index<usize> for [T; 3] {
-    type Output = T;
-
-    fn index(&self, index: usize) -> &Self::Output {
-        &self[index]
-    }
-}
-
-impl<T> Index<usize> for [T] {
-    type Output = T;
-
-    fn index(&self, index: usize) -> &Self::Output {
-        &self[index]
-    }
-}
-
-#[lang = "drop_in_place"]
-#[allow(unconditional_recursion)]
-pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
-    // Code here does not matter - this is replaced by the
-    // real drop glue by the compiler.
-    drop_in_place(to_drop);
-}
-
-#[lang = "panic"]
-#[track_caller]
-#[no_mangle]
-pub fn panic(_msg: &'static str) -> ! {
-    unsafe {
-        libc::puts("Panicking\0" as *const str as *const u8);
-        intrinsics::abort();
-    }
-}
-
-#[lang = "panic_location"]
-struct PanicLocation {
-    file: &'static str,
-    line: u32,
-    column: u32,
-}
-
-#[lang = "panic_bounds_check"]
-#[track_caller]
-#[no_mangle]
-fn panic_bounds_check(index: usize, len: usize) -> ! {
-    unsafe {
-        libc::printf("index out of bounds: the len is %d but the index is %d\n\0" as *const str as *const i8, len, index);
-        intrinsics::abort();
-    }
-}
-
-mod intrinsics {
-    #[rustc_nounwind]
-    #[rustc_intrinsic]
-    #[rustc_intrinsic_must_be_overridden]
-    pub fn abort() -> ! {
-        loop {}
-    }
-}
-
-#[lang = "add"]
-trait Add<RHS = Self> {
-    type Output;
-
-    fn add(self, rhs: RHS) -> Self::Output;
-}
-
-impl Add for u8 {
-    type Output = Self;
-
-    fn add(self, rhs: Self) -> Self {
-        self + rhs
-    }
-}
-
-impl Add for i8 {
-    type Output = Self;
-
-    fn add(self, rhs: Self) -> Self {
-        self + rhs
-    }
-}
-
-impl Add for i32 {
-    type Output = Self;
-
-    fn add(self, rhs: Self) -> Self {
-        self + rhs
-    }
-}
-
-impl Add for usize {
-    type Output = Self;
-
-    fn add(self, rhs: Self) -> Self {
-        self + rhs
-    }
-}
-
-impl Add for isize {
-    type Output = Self;
-
-    fn add(self, rhs: Self) -> Self {
-        self + rhs
-    }
-}
-
-#[lang = "sub"]
-pub trait Sub<RHS = Self> {
-    type Output;
-
-    fn sub(self, rhs: RHS) -> Self::Output;
-}
-
-impl Sub for usize {
-    type Output = Self;
-
-    fn sub(self, rhs: Self) -> Self {
-        self - rhs
-    }
-}
-
-impl Sub for isize {
-    type Output = Self;
-
-    fn sub(self, rhs: Self) -> Self {
-        self - rhs
-    }
-}
-
-impl Sub for u8 {
-    type Output = Self;
-
-    fn sub(self, rhs: Self) -> Self {
-        self - rhs
-    }
-}
-
-impl Sub for i8 {
-    type Output = Self;
-
-    fn sub(self, rhs: Self) -> Self {
-        self - rhs
-    }
-}
-
-impl Sub for i16 {
-    type Output = Self;
-
-    fn sub(self, rhs: Self) -> Self {
-        self - rhs
-    }
-}
-
-#[lang = "eq"]
-pub trait PartialEq<Rhs: ?Sized = Self> {
-    fn eq(&self, other: &Rhs) -> bool;
-    fn ne(&self, other: &Rhs) -> bool;
-}
-
-impl PartialEq for u8 {
-    fn eq(&self, other: &u8) -> bool {
-        (*self) == (*other)
-    }
-    fn ne(&self, other: &u8) -> bool {
-        (*self) != (*other)
-    }
-}
-
-impl PartialEq for u16 {
-    fn eq(&self, other: &u16) -> bool {
-        (*self) == (*other)
-    }
-    fn ne(&self, other: &u16) -> bool {
-        (*self) != (*other)
-    }
-}
-
-impl PartialEq for u32 {
-    fn eq(&self, other: &u32) -> bool {
-        (*self) == (*other)
-    }
-    fn ne(&self, other: &u32) -> bool {
-        (*self) != (*other)
-    }
-}
-
-
-impl PartialEq for u64 {
-    fn eq(&self, other: &u64) -> bool {
-        (*self) == (*other)
-    }
-    fn ne(&self, other: &u64) -> bool {
-        (*self) != (*other)
-    }
-}
-
-impl PartialEq for usize {
-    fn eq(&self, other: &usize) -> bool {
-        (*self) == (*other)
-    }
-    fn ne(&self, other: &usize) -> bool {
-        (*self) != (*other)
-    }
-}
-
-impl PartialEq for i8 {
-    fn eq(&self, other: &i8) -> bool {
-        (*self) == (*other)
-    }
-    fn ne(&self, other: &i8) -> bool {
-        (*self) != (*other)
-    }
-}
-
-impl PartialEq for i32 {
-    fn eq(&self, other: &i32) -> bool {
-        (*self) == (*other)
-    }
-    fn ne(&self, other: &i32) -> bool {
-        (*self) != (*other)
-    }
-}
-
-impl PartialEq for isize {
-    fn eq(&self, other: &isize) -> bool {
-        (*self) == (*other)
-    }
-    fn ne(&self, other: &isize) -> bool {
-        (*self) != (*other)
-    }
-}
-
-impl PartialEq for char {
-    fn eq(&self, other: &char) -> bool {
-        (*self) == (*other)
-    }
-    fn ne(&self, other: &char) -> bool {
-        (*self) != (*other)
-    }
-}
-
-/*
- * Code
- */
-
 #[start]
 fn main(argc: isize, _argv: *const *const u8) -> isize {
     unsafe {