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Rollup merge of #137489 - RalfJung:no-more-rustc_intrinsic_must_be_overridden, r=oli-obk

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remove `#[rustc_intrinsic_must_be_overridde]`

In https://github.com/rust-lang/rust/pull/135031, we gained support for just leaving away the body. Now that the bootstrap compiler got bumped, stop using the old style and remove support for it.

r? `@oli-obk`

There are a few more mentions of this attribute in RA code that I didn't touch; Cc `@rust-lang/rust-analyzer`
This commit is contained in:
Michael Goulet 2025-02-24 19:21:47 -05:00 • committed by GitHub
commit 8f729e9cff
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28 changed files with 427 additions and 1636 deletions
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65
compiler/rustc_codegen_cranelift/example/mini_core.rs
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@ -620,70 +620,31 @@ pub union MaybeUninit<T> {
pub mod intrinsics {
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn abort() -> ! {
loop {}
}
pub fn abort() -> !;
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn size_of<T>() -> usize {
loop {}
}
pub fn size_of<T>() -> usize;
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn size_of_val<T: ?::Sized>(_val: *const T) -> usize {
loop {}
}
pub unsafe fn size_of_val<T: ?::Sized>(_val: *const T) -> usize;
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn min_align_of<T>() -> usize {
loop {}
}
pub fn min_align_of<T>() -> usize;
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn min_align_of_val<T: ?::Sized>(_val: *const T) -> usize {
loop {}
}
pub unsafe fn min_align_of_val<T: ?::Sized>(_val: *const T) -> usize;
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn copy<T>(_src: *const T, _dst: *mut T, _count: usize) {
loop {}
}
pub unsafe fn copy<T>(_src: *const T, _dst: *mut T, _count: usize);
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn transmute<T, U>(_e: T) -> U {
loop {}
}
pub unsafe fn transmute<T, U>(_e: T) -> U;
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn ctlz_nonzero<T>(_x: T) -> u32 {
loop {}
}
pub unsafe fn ctlz_nonzero<T>(_x: T) -> u32;
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn needs_drop<T: ?::Sized>() -> bool {
loop {}
}
pub fn needs_drop<T: ?::Sized>() -> bool;
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn bitreverse<T>(_x: T) -> T {
loop {}
}
pub fn bitreverse<T>(_x: T) -> T;
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub fn bswap<T>(_x: T) -> T {
loop {}
}
pub fn bswap<T>(_x: T) -> T;
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn write_bytes<T>(_dst: *mut T, _val: u8, _count: usize) {
loop {}
}
pub unsafe fn write_bytes<T>(_dst: *mut T, _val: u8, _count: usize);
#[rustc_intrinsic]
#[rustc_intrinsic_must_be_overridden]
pub unsafe fn unreachable() -> ! {
loop {}
}
pub unsafe fn unreachable() -> !;
}
pub mod libc {