Merge commit 'db1a31c243' into subtree-update_cg_gcc_2025-04-18

compiler/rustc_codegen_gcc/tests/run/assign.rs

@@ -5,130 +5,13 @@
 //     7 8
 //     10
 
-#![allow(internal_features, unused_attributes)]
-#![feature(auto_traits, lang_items, no_core, intrinsics, rustc_attrs, track_caller)]
-
+#![feature(no_core)]
 #![no_std]
 #![no_core]
 #![no_main]
 
-/*
- * Core
- */
-
-// Because we don't have core yet.
-#[lang = "sized"]
-pub trait Sized {}
-
-#[lang = "copy"]
-trait Copy {
-}
-
-impl Copy for isize {}
-impl Copy for *mut i32 {}
-impl Copy for usize {}
-impl Copy for u8 {}
-impl Copy for i8 {}
-impl Copy for i32 {}
-
-#[lang = "receiver"]
-trait Receiver {
-}
-
-#[lang = "freeze"]
-pub(crate) unsafe auto trait Freeze {}
-
-#[lang = "panic_location"]
-struct PanicLocation {
-    file: &'static str,
-    line: u32,
-    column: u32,
-}
-
-mod libc {
-    #[link(name = "c")]
-    extern "C" {
-        pub fn puts(s: *const u8) -> i32;
-        pub fn fflush(stream: *mut i32) -> i32;
-        pub fn printf(format: *const i8, ...) -> i32;
-
-        pub static stdout: *mut i32;
-    }
-}
-
-mod intrinsics {
-    #[rustc_nounwind]
-    #[rustc_intrinsic]
-    pub fn abort() -> !;
-}
-
-#[lang = "panic"]
-#[track_caller]
-#[no_mangle]
-pub fn panic(_msg: &'static str) -> ! {
-    unsafe {
-        libc::puts("Panicking\0" as *const str as *const u8);
-        libc::fflush(libc::stdout);
-        intrinsics::abort();
-    }
-}
-
-#[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
-    }
-}
-
-#[track_caller]
-#[lang = "panic_const_add_overflow"]
-pub fn panic_const_add_overflow() -> ! {
-    panic("attempt to add with overflow");
-}
-
-/*
- * Code
- */
+extern crate mini_core;
+use mini_core::*;
 
 fn inc_ref(num: &mut isize) -> isize {
     *num = *num + 5;
@@ -139,9 +22,8 @@ fn inc(num: isize) -> isize {
     num + 1
 }
 
-
 #[no_mangle]
-extern "C" fn main(argc: i32, _argv: *const *const u8) -> i32 {
+extern "C" fn main(mut argc: isize, _argv: *const *const u8) -> i32 {
     argc = inc(argc);
     unsafe {
         libc::printf(b"%ld\n\0" as *const u8 as *const i8, argc);