tests: use minicore more

minicore makes it much easier to add new language items to all of the
existing `no_core` tests.

tests/assembly/aarch64-pointer-auth.rs

@@ -1,5 +1,6 @@
 // Test that PAC instructions are emitted when branch-protection is specified.
 
+//@ add-core-stubs
 //@ revisions: PACRET PAUTHLR_NOP PAUTHLR
 //@ assembly-output: emit-asm
 //@ needs-llvm-components: aarch64
@@ -14,8 +15,8 @@
 #![no_core]
 #![crate_type = "lib"]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 // PACRET: hint #25
 // PACRET: hint #29

tests/assembly/cmse.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: hard soft
 //@ assembly-output: emit-asm
 //@ [hard] compile-flags: --target thumbv8m.main-none-eabihf --crate-type lib -Copt-level=1
@@ -7,10 +8,9 @@
 #![crate_type = "lib"]
 #![feature(abi_c_cmse_nonsecure_call, cmse_nonsecure_entry, no_core, lang_items)]
 #![no_core]
-#[lang = "sized"]
+
-pub trait Sized {}
+extern crate minicore;
-#[lang = "copy"]
+use minicore::*;
-pub trait Copy {}
 
 // CHECK-LABEL: __acle_se_entry_point:
 // CHECK-NEXT: entry_point:

tests/assembly/dwarf4.rs

@@ -1,5 +1,6 @@
 // Makes sure that `-Z dwarf-version=4` causes `rustc` to emit DWARF version 4.
 //@ assembly-output: emit-asm
+//@ add-core-stubs
 //@ compile-flags: -g --target x86_64-unknown-linux-gnu -Z dwarf-version=4 -Copt-level=0
 //@ needs-llvm-components: x86
 
@@ -7,10 +8,8 @@
 #![crate_type = "rlib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 pub fn wibble() {}
 

tests/assembly/dwarf5.rs

@@ -1,4 +1,5 @@
 // Makes sure that `-Z dwarf-version=5` causes `rustc` to emit DWARF version 5.
+//@ add-core-stubs
 //@ assembly-output: emit-asm
 //@ compile-flags: -g --target x86_64-unknown-linux-gnu -Z dwarf-version=5 -Copt-level=0
 //@ needs-llvm-components: x86
@@ -7,10 +8,8 @@
 #![crate_type = "rlib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 pub fn wibble() {}
 

tests/assembly/pic-relocation-model.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: x64
 //@ assembly-output: emit-asm
 //@ [x64] compile-flags: --target x86_64-unknown-linux-gnu -Crelocation-model=pic
@@ -7,10 +8,8 @@
 #![no_core]
 #![crate_type = "rlib"]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 // CHECK-LABEL: call_other_fn:
 // CHECK:       {{(jmpq|callq)}} *other_fn@GOTPCREL(%rip)

tests/assembly/pie-relocation-model.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: x64
 //@ assembly-output: emit-asm
 //@ [x64] compile-flags: --target x86_64-unknown-linux-gnu -Crelocation-model=pie
@@ -7,10 +8,8 @@
 #![no_core]
 #![crate_type = "rlib"]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 // CHECK-LABEL: call_other_fn:
 // With PIE local functions are called "directly".

tests/assembly/powerpc64-struct-abi.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: elfv1-be elfv2-be elfv2-le aix
 //@ assembly-output: emit-asm
 //@ compile-flags: -Copt-level=3
@@ -20,21 +21,9 @@
 #![no_core]
 #![crate_type = "lib"]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
-#[lang = "copy"]
-trait Copy {}
-
-#[lang = "freeze"]
-trait Freeze {}
-
-#[lang = "unpin"]
-trait Unpin {}
-
-impl Copy for u8 {}
-impl Copy for u16 {}
-impl Copy for u32 {}
 impl Copy for FiveU32s {}
 impl Copy for FiveU16s {}
 impl Copy for ThreeU8s {}

tests/assembly/riscv-soft-abi-with-float-features.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ assembly-output: emit-asm
 //@ compile-flags: --target riscv64imac-unknown-none-elf -Ctarget-feature=+f,+d
 //@ needs-llvm-components: riscv
@@ -9,15 +10,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-
-#[lang = "copy"]
-trait Copy {}
-
-impl Copy for f16 {}
-impl Copy for f32 {}
-impl Copy for f64 {}
 
 // This test checks that the floats are all returned in `a0` as required by the `lp64` ABI.
 

tests/assembly/s390x-backchain-toggle.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: enable-backchain disable-backchain
 //@ assembly-output: emit-asm
 //@ compile-flags: -Copt-level=3 --crate-type=lib --target=s390x-unknown-linux-gnu
@@ -8,8 +9,8 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 extern "C" {
     fn extern_func();

tests/assembly/simd-bitmask.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: x86 x86-avx2 x86-avx512 aarch64
 //@ [x86] compile-flags: --target=x86_64-unknown-linux-gnu -C llvm-args=-x86-asm-syntax=intel
 //@ [x86] needs-llvm-components: x86
@@ -16,12 +17,8 @@
 #![no_core]
 #![allow(non_camel_case_types)]
 
-// Because we don't have core yet.
+extern crate minicore;
-#[lang = "sized"]
+use minicore::*;
-pub trait Sized {}
-
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(simd)]
 pub struct m8x16([i8; 16]);

tests/assembly/simd-intrinsic-gather.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: x86-avx512
 //@ [x86-avx512] compile-flags: --target=x86_64-unknown-linux-gnu -C llvm-args=-x86-asm-syntax=intel
 //@ [x86-avx512] compile-flags: -C target-feature=+avx512f,+avx512vl,+avx512bw,+avx512dq
@@ -9,12 +10,8 @@
 #![no_core]
 #![allow(non_camel_case_types)]
 
-// Because we don't have core yet.
+extern crate minicore;
-#[lang = "sized"]
+use minicore::*;
-pub trait Sized {}
-
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(simd)]
 pub struct f64x4([f64; 4]);

tests/assembly/simd-intrinsic-mask-load.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: x86-avx2 x86-avx512
 //@ [x86-avx2] compile-flags: --target=x86_64-unknown-linux-gnu -C llvm-args=-x86-asm-syntax=intel
 //@ [x86-avx2] compile-flags: -C target-feature=+avx2
@@ -12,13 +13,8 @@
 #![no_core]
 #![allow(non_camel_case_types)]
 
-// Because we don't have core yet.
+extern crate minicore;
-#[lang = "sized"]
+use minicore::*;
-pub trait Sized {}
-
-#[lang = "copy"]
-trait Copy {}
-impl<T: ?Sized> Copy for *const T {}
 
 #[repr(simd)]
 pub struct i8x16([i8; 16]);

tests/assembly/simd-intrinsic-mask-reduce.rs

@@ -1,4 +1,5 @@
 // verify that simd mask reductions do not introduce additional bit shift operations
+//@ add-core-stubs
 //@ revisions: x86 aarch64
 //@ [x86] compile-flags: --target=x86_64-unknown-linux-gnu -C llvm-args=-x86-asm-syntax=intel
 // Set the base cpu explicitly, in case the default has been changed.
@@ -13,12 +14,8 @@
 #![no_core]
 #![allow(non_camel_case_types)]
 
-// Because we don't have core yet.
+extern crate minicore;
-#[lang = "sized"]
+use minicore::*;
-pub trait Sized {}
-
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(simd)]
 pub struct mask8x16([i8; 16]);

tests/assembly/simd-intrinsic-mask-store.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: x86-avx2 x86-avx512
 //@ [x86-avx2] compile-flags: --target=x86_64-unknown-linux-gnu -C llvm-args=-x86-asm-syntax=intel
 //@ [x86-avx2] compile-flags: -C target-feature=+avx2
@@ -12,13 +13,8 @@
 #![no_core]
 #![allow(non_camel_case_types)]
 
-// Because we don't have core yet.
+extern crate minicore;
-#[lang = "sized"]
+use minicore::*;
-pub trait Sized {}
-
-#[lang = "copy"]
-trait Copy {}
-impl<T: ?Sized> Copy for *mut T {}
 
 #[repr(simd)]
 pub struct i8x16([i8; 16]);

tests/assembly/simd-intrinsic-scatter.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: x86-avx512
 //@ [x86-avx512] compile-flags: --target=x86_64-unknown-linux-gnu -C llvm-args=-x86-asm-syntax=intel
 //@ [x86-avx512] compile-flags: -C target-feature=+avx512f,+avx512vl,+avx512bw,+avx512dq
@@ -9,12 +10,8 @@
 #![no_core]
 #![allow(non_camel_case_types)]
 
-// Because we don't have core yet.
+extern crate minicore;
-#[lang = "sized"]
+use minicore::*;
-pub trait Sized {}
-
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(simd)]
 pub struct f64x4([f64; 4]);

tests/assembly/simd-intrinsic-select.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: x86-avx2 x86-avx512 aarch64
 //@ [x86-avx2] compile-flags: --target=x86_64-unknown-linux-gnu -C llvm-args=-x86-asm-syntax=intel
 //@ [x86-avx2] compile-flags: -C target-feature=+avx2
@@ -14,12 +15,8 @@
 #![no_core]
 #![allow(non_camel_case_types)]
 
-// Because we don't have core yet.
+extern crate minicore;
-#[lang = "sized"]
+use minicore::*;
-pub trait Sized {}
-
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(simd)]
 pub struct i8x16([i8; 16]);

tests/assembly/sparc-struct-abi.rs

@@ -2,6 +2,7 @@
 // - float structure members are passes in floating point registers
 // (#86163)
 
+//@ add-core-stubs
 //@ assembly-output: emit-asm
 //@ needs-llvm-components: sparc
 //@ compile-flags: --target=sparcv9-sun-solaris -Copt-level=3
@@ -9,11 +10,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-pub trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-pub trait Copy {}
-impl Copy for f32 {}
 
 #[repr(C)]
 pub struct Franta {

tests/assembly/stack-probes.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: x86_64 i686 aarch64
 //@ assembly-output: emit-asm
 //@[x86_64] compile-flags: --target x86_64-unknown-linux-gnu -C llvm-args=-x86-asm-syntax=intel
@@ -11,12 +12,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-
-impl Copy for u8 {}
 
 // Check that inline-asm stack probes are generated correctly.
 // To avoid making this test fragile to slight asm changes,

tests/assembly/stack-protector/stack-protector-target-support.rs

@@ -1,6 +1,7 @@
 // Test that stack smash protection code is emitted for all tier1 and tier2
 // targets, with the exception of nvptx64-nvidia-cuda
 //
+//@ add-core-stubs
 //@ revisions: r1 r2 r3 r4 r5 r6 r7 r8 r9 r10 r11 r12 r13 r14 r15 r16 r17 r18 r19 r20 r21 r22 r23
 //@ revisions: r24 r25 r26 r27 r28 r29 r30 r31 r32 r33     r35 r36 r37 r38 r39 r40 r41 r42 r43 r44
 //@ revisions: r45 r46 r47 r48 r49 r50 r51 r52 r53 r54 r55 r56 r57 r58 r59 r60 r61 r62 r63 r64 r65
@@ -183,10 +184,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 #[no_mangle]
 pub fn foo() {

tests/assembly/static-relocation-model.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: x64 A64 ppc64le
 //@ assembly-output: emit-asm
 //@ [x64] compile-flags: --target x86_64-unknown-linux-gnu -Crelocation-model=static
@@ -11,20 +12,8 @@
 #![no_core]
 #![crate_type = "rlib"]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-
-#[lang = "copy"]
-trait Copy {}
-
-#[lang = "sync"]
-trait Sync {}
-
-#[lang = "drop_in_place"]
-fn drop_in_place<T>(_: *mut T) {}
-
-impl Copy for u8 {}
-impl Sync for u8 {}
 
 #[no_mangle]
 pub static PIERIS: u8 = 42;

tests/assembly/target-feature-multiple.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ assembly-output: emit-asm
 //@ needs-llvm-components: x86
 //@ revisions: TWOFLAGS SINGLEFLAG
@@ -19,11 +20,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-impl Copy for u32 {}
 
 // Use of these requires target features to be enabled
 extern "unadjusted" {

tests/assembly/targets/targets-amdgpu.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ assembly-output: emit-asm
 // ignore-tidy-linelength
 //@ revisions: amdgcn_amd_amdhsa
@@ -11,8 +12,8 @@
 #![no_core]
 #![crate_type = "lib"]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 pub fn test() -> u8 {
     42

tests/assembly/targets/targets-elf.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ assembly-output: emit-asm
 // ignore-tidy-linelength
 //@ revisions: aarch64_be_unknown_linux_gnu
@@ -709,8 +710,8 @@
 #![no_core]
 #![crate_type = "lib"]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 // Force linkage to ensure code is actually generated
 #[no_mangle]

tests/assembly/targets/targets-macho.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ assembly-output: emit-asm
 // ignore-tidy-linelength
 //@ revisions: aarch64_apple_darwin
@@ -80,8 +81,8 @@
 #![no_core]
 #![crate_type = "lib"]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 // Force linkage to ensure code is actually generated
 #[no_mangle]

tests/assembly/targets/targets-nvptx.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ assembly-output: emit-asm
 // ignore-tidy-linelength
 //@ revisions: nvptx64_nvidia_cuda
@@ -11,8 +12,8 @@
 #![no_core]
 #![crate_type = "lib"]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 pub fn test() -> u8 {
     42

tests/assembly/targets/targets-pe.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ assembly-output: emit-asm
 // ignore-tidy-linelength
 //@ revisions: aarch64_pc_windows_msvc
@@ -95,8 +96,8 @@
 #![no_core]
 #![crate_type = "lib"]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 pub fn test() -> u8 {
     42

tests/auxiliary/minicore.rs

@@ -25,7 +25,8 @@
     naked_functions,
     f16,
     f128,
-    asm_experimental_arch
+    asm_experimental_arch,
+    unboxed_closures
 )]
 #![allow(unused, improper_ctypes_definitions, internal_features)]
 #![no_std]
@@ -61,7 +62,7 @@ pub auto trait Unpin {}
 
 impl_marker_trait!(
     Copy => [
-        bool, char,
+        char, bool,
         isize, i8, i16, i32, i64, i128,
         usize, u8, u16, u32, u64, u128,
         f16, f32, f64, f128,
@@ -102,6 +103,9 @@ pub struct UnsafeCell<T: ?Sized> {
 }
 impl<T: ?Sized> !Freeze for UnsafeCell<T> {}
 
+#[lang = "tuple_trait"]
+pub trait Tuple {}
+
 #[rustc_builtin_macro]
 pub macro asm("assembly template", $(operands,)* $(options($(option),*))?) {
     /* compiler built-in */
@@ -129,3 +133,61 @@ macro_rules! stringify {
         /* compiler built-in */
     };
 }
+
+#[lang = "add"]
+pub trait Add<Rhs = Self> {
+    type Output;
+
+    fn add(self, _: Rhs) -> Self::Output;
+}
+
+impl Add<isize> for isize {
+    type Output = isize;
+
+    fn add(self, other: isize) -> isize {
+        7 // avoid needing to add all of the overflow handling and panic language items
+    }
+}
+
+#[lang = "sync"]
+trait Sync {}
+impl Sync for u8 {}
+
+#[lang = "drop_in_place"]
+fn drop_in_place<T>(_: *mut T) {}
+
+#[lang = "fn_once"]
+pub trait FnOnce<Args: Tuple> {
+    #[lang = "fn_once_output"]
+    type Output;
+
+    extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
+}
+
+#[lang = "fn_mut"]
+pub trait FnMut<Args: Tuple>: FnOnce<Args> {
+    extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output;
+}
+
+#[lang = "fn"]
+pub trait Fn<Args: Tuple>: FnMut<Args> {
+    extern "rust-call" fn call(&self, args: Args) -> Self::Output;
+}
+
+#[lang = "dispatch_from_dyn"]
+trait DispatchFromDyn<T> {}
+
+impl<'a, T: ?Sized + Unsize<U>, U: ?Sized> DispatchFromDyn<&'a U> for &'a T {}
+
+#[lang = "unsize"]
+trait Unsize<T: ?Sized> {}
+
+#[lang = "coerce_unsized"]
+pub trait CoerceUnsized<T: ?Sized> {}
+
+impl<'a, 'b: 'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<&'a U> for &'b T {}
+
+#[lang = "drop"]
+trait Drop {
+    fn drop(&mut self);
+}

tests/codegen/aarch64-softfloat.rs

@@ -1,15 +1,12 @@
+//@ add-core-stubs
 //@ compile-flags: --target aarch64-unknown-none-softfloat -Zmerge-functions=disabled
 //@ needs-llvm-components: aarch64
 #![crate_type = "lib"]
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-impl Copy for f32 {}
-impl Copy for f64 {}
 
 // CHECK: i64 @pass_f64_C(i64 {{[^,]*}})
 #[no_mangle]

tests/codegen/aarch64-struct-align-128.rs

@@ -1,5 +1,6 @@
 // Test that structs aligned to 128 bits are passed with the correct ABI on aarch64.
 
+//@ add-core-stubs
 //@ revisions: linux darwin win
 //@[linux] compile-flags: --target aarch64-unknown-linux-gnu
 //@[darwin] compile-flags: --target aarch64-apple-darwin
@@ -12,12 +13,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 // Passed as `[i64 x 2]`, since it's an aggregate with size <= 128 bits, align < 128 bits.
 #[repr(C)]

tests/codegen/abi-efiapi.rs

@@ -1,5 +1,6 @@
 // Checks if the correct annotation for the efiapi ABI is passed to llvm.
 
+//@ add-core-stubs
 //@ revisions:x86_64 i686 aarch64 arm riscv
 //@[x86_64] compile-flags: --target x86_64-unknown-uefi
 //@[x86_64] needs-llvm-components: aarch64 arm riscv
@@ -17,12 +18,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 //x86_64: define win64cc void @has_efiapi
 //i686: define void @has_efiapi

tests/codegen/abi-repr-ext.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3
 
 //@ revisions:x86_64 i686 aarch64-apple aarch64-windows aarch64-linux arm riscv
@@ -24,12 +25,8 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(i8)]
 pub enum Type {

tests/codegen/abi-sysv64.rs

@@ -2,6 +2,7 @@
 // llvm. Also checks that the abi-sysv64 feature gate allows usage
 // of the sysv64 abi.
 //
+//@ add-core-stubs
 //@ needs-llvm-components: x86
 //@ compile-flags: -C no-prepopulate-passes --target=x86_64-unknown-linux-gnu -Copt-level=0
 
@@ -9,11 +10,8 @@
 #![no_core]
 #![feature(abi_x86_interrupt, no_core, lang_items)]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-impl Copy for i64 {}
 
 // CHECK: define x86_64_sysvcc i64 @has_sysv64_abi
 #[no_mangle]

tests/codegen/abi-win64-zst.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: -Z merge-functions=disabled
 //@ add-core-stubs
 

tests/codegen/abi-x86-interrupt.rs

@@ -2,6 +2,7 @@
 // llvm. Also checks that the abi_x86_interrupt feature gate allows usage
 // of the x86-interrupt abi.
 
+//@ add-core-stubs
 //@ needs-llvm-components: x86
 //@ compile-flags: -C no-prepopulate-passes --target=x86_64-unknown-linux-gnu -Copt-level=0
 
@@ -9,11 +10,8 @@
 #![no_core]
 #![feature(abi_x86_interrupt, no_core, lang_items)]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-impl Copy for i64 {}
 
 // CHECK: define x86_intrcc i64 @has_x86_interrupt_abi
 #[no_mangle]

tests/codegen/avr/avr-func-addrspace.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3 --target=avr-none -C target-cpu=atmega328p --crate-type=rlib -C panic=abort
 //@ needs-llvm-components: avr
 
@@ -13,45 +14,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-pub trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-pub trait Copy {}
-impl<T: ?Sized> Copy for *const T {}
-#[lang = "legacy_receiver"]
-pub trait LegacyReceiver {}
-#[lang = "tuple_trait"]
-pub trait Tuple {}
-
-pub struct Result<T, E> {
-    _a: T,
-    _b: E,
-}
-
-impl Copy for usize {}
-impl Copy for &usize {}
-
-#[lang = "drop_in_place"]
-pub unsafe fn drop_in_place<T: ?Sized>(_: *mut T) {}
-
-#[lang = "fn_once"]
-pub trait FnOnce<Args: Tuple> {
-    #[lang = "fn_once_output"]
-    type Output;
-
-    extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
-}
-
-#[lang = "fn_mut"]
-pub trait FnMut<Args: Tuple>: FnOnce<Args> {
-    extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output;
-}
-
-#[lang = "fn"]
-pub trait Fn<Args: Tuple>: FnOnce<Args> {
-    /// Performs the call operation.
-    extern "rust-call" fn call(&self, args: Args) -> Self::Output;
-}
 
 extern "rust-intrinsic" {
     pub fn transmute<Src, Dst>(src: Src) -> Dst;

tests/codegen/branch-protection-old-llvm.rs

@@ -1,5 +1,6 @@
 // Test that the correct module flags are emitted with different branch protection flags.
 
+//@ add-core-stubs
 //@ revisions: BTI PACRET LEAF BKEY NONE
 //@ needs-llvm-components: aarch64
 //@ [BTI] compile-flags: -Z branch-protection=bti
@@ -13,8 +14,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 // A basic test function.
 pub fn test() {}

tests/codegen/branch-protection.rs

@@ -1,5 +1,6 @@
 // Test that the correct module flags are emitted with different branch protection flags.
 
+//@ add-core-stubs
 //@ revisions: BTI PACRET LEAF BKEY PAUTHLR PAUTHLR_BKEY PAUTHLR_LEAF PAUTHLR_BTI NONE
 //@ needs-llvm-components: aarch64
 //@ [BTI] compile-flags: -Z branch-protection=bti
@@ -17,8 +18,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 // A basic test function.
 // CHECK: @test(){{.*}} [[ATTR:#[0-9]+]] {

tests/codegen/cast-target-abi.rs

@@ -1,4 +1,5 @@
 // ignore-tidy-linelength
+//@ add-core-stubs
 //@ revisions:aarch64 loongarch64 powerpc64 sparc64 x86_64
 //@ min-llvm-version: 19
 //@ compile-flags: -Copt-level=3 -Cno-prepopulate-passes -Zlint-llvm-ir -Cllvm-args=-lint-abort-on-error
@@ -21,12 +22,8 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 // This struct will be passed as a single `i64` or `i32`.
 // This may be (if `i64)) larger than the Rust layout, which is just `{ i16, i16 }`.

tests/codegen/cf-protection.rs

@@ -1,5 +1,6 @@
 // Test that the correct module flags are emitted with different control-flow protection flags.
 
+//@ add-core-stubs
 //@ revisions: undefined none branch return full
 //@ needs-llvm-components: x86
 //@ [undefined] compile-flags:
@@ -13,8 +14,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 // A basic test function.
 pub fn test() {}

tests/codegen/cffi/ffi-out-of-bounds-loads.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: linux apple
 //@ min-llvm-version: 19
 //@ compile-flags: -Copt-level=0 -Cno-prepopulate-passes -Zlint-llvm-ir -Cllvm-args=-lint-abort-on-error
@@ -14,12 +15,8 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(C)]
 struct S {

tests/codegen/default-requires-uwtable.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: WINDOWS_ ANDROID_
 //@ compile-flags: -C panic=abort -Copt-level=0
 //@ [WINDOWS_] compile-flags: --target=x86_64-pc-windows-msvc
@@ -9,8 +10,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 // CHECK: attributes #{{.*}} uwtable
 pub fn foo() {}

tests/codegen/fastcall-inreg.rs

@@ -2,6 +2,7 @@
 // as "inreg" like the C/C++ compilers for the platforms.
 // x86 only.
 
+//@ add-core-stubs
 //@ compile-flags: --target i686-unknown-linux-gnu -Cno-prepopulate-passes -Copt-level=3
 //@ needs-llvm-components: x86
 
@@ -9,10 +10,8 @@
 #![no_core]
 #![feature(no_core, lang_items)]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 pub mod tests {
     // CHECK: @f1(i32 inreg noundef %_1, i32 inreg noundef %_2, i32 noundef %_3)

tests/codegen/fixed-x18.rs

@@ -1,6 +1,7 @@
 // Test that the `reserve-x18` target feature is (not) emitted when
 // the `-Zfixed-x18` flag is (not) set.
 
+//@ add-core-stubs
 //@ revisions: unset set
 //@ needs-llvm-components: aarch64
 //@ compile-flags: --target aarch64-unknown-none
@@ -10,8 +11,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 #[no_mangle]
 pub fn foo() {

tests/codegen/frame-pointer.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: --crate-type=rlib -Copt-level=0
 //@ revisions: aarch64-apple aarch64-linux force x64-apple x64-linux
 //@ [aarch64-apple] needs-llvm-components: aarch64
@@ -13,11 +14,9 @@
 
 #![feature(no_core, lang_items)]
 #![no_core]
-#[lang = "sized"]
+
-trait Sized {}
+extern crate minicore;
-#[lang = "copy"]
+use minicore::*;
-trait Copy {}
-impl Copy for u32 {}
 
 // CHECK: define i32 @peach{{.*}}[[PEACH_ATTRS:\#[0-9]+]] {
 #[no_mangle]

tests/codegen/function-return.rs

@@ -1,6 +1,7 @@
 // Test that the `fn_ret_thunk_extern` function attribute is (not) emitted when
 // the `-Zfunction-return={keep,thunk-extern}` flag is (not) set.
 
+//@ add-core-stubs
 //@ revisions: unset keep thunk-extern keep-thunk-extern thunk-extern-keep
 //@ needs-llvm-components: x86
 //@ compile-flags: --target x86_64-unknown-linux-gnu
@@ -13,8 +14,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 #[no_mangle]
 pub fn foo() {

tests/codegen/gpu-kernel-abi.rs

@@ -1,17 +1,14 @@
 // Checks that the gpu-kernel calling convention correctly translates to LLVM calling conventions.
 
+//@ add-core-stubs
 //@ revisions: nvptx
 //@ [nvptx] compile-flags: --crate-type=rlib --target=nvptx64-nvidia-cuda
 //@ [nvptx] needs-llvm-components: nvptx
 #![feature(no_core, lang_items, abi_gpu_kernel)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 // nvptx: define ptx_kernel void @fun(i32
 #[no_mangle]

tests/codegen/intrinsics/nontemporal.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3
 //@revisions: with_nontemporal without_nontemporal
 //@[with_nontemporal] compile-flags: --target aarch64-unknown-linux-gnu
@@ -14,13 +15,8 @@
 #![no_core]
 #![crate_type = "lib"]
 
-#[lang = "sized"]
+extern crate minicore;
-pub trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-pub trait Copy {}
-
-impl Copy for u32 {}
-impl<T> Copy for *mut T {}
 
 extern "rust-intrinsic" {
     pub fn nontemporal_store<T>(ptr: *mut T, val: T);

tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3 -C no-prepopulate-passes --target loongarch64-unknown-linux-gnu
 //@ needs-llvm-components: loongarch
 
@@ -6,12 +7,8 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 // CHECK: define void @f_fpr_tracking(double %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, i8 noundef zeroext %i)
 #[no_mangle]

tests/codegen/macos/i686-macosx-deployment-target.rs

@@ -1,19 +1,15 @@
-//
 // Checks that we correctly modify the target when MACOSX_DEPLOYMENT_TARGET is set.
 // See issue #60235.
 
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3 --target=i686-apple-darwin --crate-type=rlib
 //@ needs-llvm-components: x86
 //@ rustc-env:MACOSX_DEPLOYMENT_TARGET=10.14
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(C)]
 pub struct Bool {

tests/codegen/macos/i686-no-macosx-deployment-target.rs

@@ -1,19 +1,15 @@
-//
 // Checks that we leave the target alone MACOSX_DEPLOYMENT_TARGET is unset.
 // See issue #60235.
 
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3 --target=i686-apple-darwin --crate-type=rlib
 //@ needs-llvm-components: x86
 //@ unset-rustc-env:MACOSX_DEPLOYMENT_TARGET
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(C)]
 pub struct Bool {

tests/codegen/macos/x86_64-macosx-deployment-target.rs

@@ -1,19 +1,15 @@
-//
 // Checks that we correctly modify the target when MACOSX_DEPLOYMENT_TARGET is set.
 // See issue #60235.
 
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3 --target=x86_64-apple-darwin --crate-type=rlib
 //@ needs-llvm-components: x86
 //@ rustc-env:MACOSX_DEPLOYMENT_TARGET=10.14
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(C)]
 pub struct Bool {

tests/codegen/macos/x86_64-no-macosx-deployment-target.rs

@@ -1,19 +1,15 @@
-//
 // Checks that we leave the target alone when MACOSX_DEPLOYMENT_TARGET is unset.
 // See issue #60235.
 
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3 --target=x86_64-apple-darwin --crate-type=rlib
 //@ needs-llvm-components: x86
 //@ unset-rustc-env:MACOSX_DEPLOYMENT_TARGET
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(C)]
 pub struct Bool {

tests/codegen/naked-fn/instruction-set.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: arm-mode thumb-mode
 //@ [arm-mode] compile-flags: --target armv5te-none-eabi
 //@ [thumb-mode] compile-flags: --target thumbv5te-none-eabi
@@ -8,15 +9,8 @@
 #![feature(no_core, lang_items, rustc_attrs, naked_functions)]
 #![no_core]
 
-#[rustc_builtin_macro]
+extern crate minicore;
-macro_rules! naked_asm {
+use minicore::*;
-    () => {};
-}
-
-#[lang = "sized"]
-trait Sized {}
-#[lang = "copy"]
-trait Copy {}
 
 // arm-mode: .arm
 // thumb-mode: .thumb

tests/codegen/naked-fn/naked-functions.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: linux win macos thumb
 //
 //@[linux] compile-flags: --target x86_64-unknown-linux-gnu
@@ -13,15 +14,8 @@
 #![feature(no_core, lang_items, rustc_attrs, naked_functions)]
 #![no_core]
 
-#[rustc_builtin_macro]
+extern crate minicore;
-macro_rules! naked_asm {
+use minicore::*;
-    () => {};
-}
-
-#[lang = "sized"]
-trait Sized {}
-#[lang = "copy"]
-trait Copy {}
 
 // linux,win: .intel_syntax
 //

tests/codegen/no-jump-tables.rs

@@ -1,6 +1,7 @@
 // Test that the `no-jump-tables` function attribute are (not) emitted when
 // the `-Zno-jump-tables` flag is (not) set.
 
+//@ add-core-stubs
 //@ revisions: unset set
 //@ needs-llvm-components: x86
 //@ compile-flags: --target x86_64-unknown-linux-gnu
@@ -10,8 +11,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 #[no_mangle]
 pub fn foo() {

tests/codegen/powerpc64le-struct-align-128.rs

@@ -1,6 +1,7 @@
 // Test that structs aligned to 128 bits are passed with the correct ABI on powerpc64le.
 // This is similar to aarch64-struct-align-128.rs, but for ppc.
 
+//@ add-core-stubs
 //@ compile-flags: --target powerpc64le-unknown-linux-gnu
 //@ needs-llvm-components: powerpc
 
@@ -8,12 +9,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(C)]
 pub struct Align8 {

tests/codegen/regparm-inreg.rs

@@ -2,6 +2,7 @@
 // marks function arguments as "inreg" like the C/C++ compilers for the platforms.
 // x86 only.
 
+//@ add-core-stubs
 //@ compile-flags: --target i686-unknown-linux-gnu -Cno-prepopulate-passes -Copt-level=3
 //@ needs-llvm-components: x86
 
@@ -14,10 +15,9 @@
 #![crate_type = "lib"]
 #![no_core]
 #![feature(no_core, lang_items, repr_simd)]
-#[lang = "sized"]
+
-trait Sized {}
+extern crate minicore;
-#[lang = "copy"]
+use minicore::*;
-trait Copy {}
 
 pub mod tests {
     // regparm doesn't work for "fastcall" calling conv (only 2 inregs)

tests/codegen/repr/transparent-byval-struct-ptr.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: i686-linux i686-freebsd x64-linux x64-apple
 //@ compile-flags: -Copt-level=3 -C no-prepopulate-passes
 
@@ -21,14 +22,9 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
-impl Copy for [u32; 16] {}
 impl Copy for BigS {}
 impl Copy for BigU {}
 

tests/codegen/repr/transparent-imm-array.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: arm-linux arm-android armv7-linux armv7-android mips thumb sparc
 //@ compile-flags: -Copt-level=3 -C no-prepopulate-passes
 
@@ -27,14 +28,8 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
-
-impl Copy for [u32; 16] {}
 impl Copy for BigS {}
 impl Copy for BigU {}
 

tests/codegen/repr/transparent-mips64.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: mips64 mips64el
 //@ compile-flags: -Copt-level=3 -C no-prepopulate-passes
 
@@ -13,14 +14,9 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
-impl Copy for [u32; 16] {}
 impl Copy for BigS {}
 impl Copy for BigU {}
 

tests/codegen/repr/transparent-opaque-ptr.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: aarch64-linux aarch64-darwin wasm32-wasip1
 //@ compile-flags: -Copt-level=3 -C no-prepopulate-passes
 
@@ -19,14 +20,9 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
-impl Copy for [u32; 16] {}
 impl Copy for BigS {}
 impl Copy for BigU {}
 

tests/codegen/repr/transparent-sparc64.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3 -C no-prepopulate-passes --target sparc64-unknown-linux-gnu
 //@ needs-llvm-components: sparc
 
@@ -8,14 +9,8 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
-
-impl Copy for [u32; 16] {}
 impl Copy for BigS {}
 impl Copy for BigU {}
 

tests/codegen/repr/transparent-sysv64.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: linux apple win
 //@ compile-flags: -Copt-level=3 -C no-prepopulate-passes
 
@@ -13,12 +14,8 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(C)]
 pub struct Rgb8 {

tests/codegen/riscv-abi/riscv64-lp64-lp64f-lp64d-abi.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: --target riscv64gc-unknown-linux-gnu -Copt-level=3 -C no-prepopulate-passes -C panic=abort
 //@ needs-llvm-components: riscv
 
@@ -6,19 +7,8 @@
 #![feature(no_core, lang_items)]
 #![allow(improper_ctypes)]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-impl Copy for bool {}
-impl Copy for i8 {}
-impl Copy for u8 {}
-impl Copy for i32 {}
-impl Copy for i64 {}
-impl Copy for u64 {}
-impl Copy for f32 {}
-impl Copy for f64 {}
-impl<T> Copy for *mut T {}
 
 // CHECK: define void @f_void()
 #[no_mangle]

tests/codegen/riscv-abi/riscv64-lp64d-abi.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3 -C no-prepopulate-passes --target riscv64gc-unknown-linux-gnu
 //@ needs-llvm-components: riscv
 
@@ -6,12 +7,8 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 // CHECK: define void @f_fpr_tracking(double %0, double %1, double %2, double %3, double %4, double %5, double %6, double %7, i8 noundef zeroext %i)
 #[no_mangle]

tests/codegen/riscv-abi/riscv64-lp64f-lp64d-abi.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3 -C no-prepopulate-passes --target riscv64gc-unknown-linux-gnu
 //@ needs-llvm-components: riscv
 
@@ -6,12 +7,8 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 // CHECK: define void @f_fpr_tracking(float %0, float %1, float %2, float %3, float %4, float %5, float %6, float %7, i8 noundef zeroext %i)
 #[no_mangle]

tests/codegen/riscv-target-abi.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions:riscv64gc riscv32gc riscv32imac
 
 //@[riscv64gc] compile-flags: --target=riscv64gc-unknown-linux-gnu
@@ -16,5 +17,5 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;

tests/codegen/sanitizer/aarch64-shadow-call-stack-with-fixed-x18.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: aarch64 android
 //@[aarch64] compile-flags: --target aarch64-unknown-none -Zfixed-x18 -Zsanitizer=shadow-call-stack
 //@[aarch64] needs-llvm-components: aarch64
@@ -9,8 +10,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 // CHECK: ; Function Attrs:{{.*}}shadowcallstack
 #[no_mangle]

tests/codegen/sanitizer/kasan-emits-instrumentation.rs

@@ -1,5 +1,6 @@
 // Verifies that `-Zsanitizer=kernel-address` emits sanitizer instrumentation.
 
+//@ add-core-stubs
 //@ compile-flags: -Zsanitizer=kernel-address -Copt-level=0
 //@ revisions: aarch64 riscv64imac riscv64gc x86_64
 //@[aarch64] compile-flags: --target aarch64-unknown-none
@@ -15,13 +16,8 @@
 #![feature(no_core, no_sanitize, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-
-#[lang = "copy"]
-trait Copy {}
-
-impl Copy for u8 {}
 
 // CHECK-LABEL: ; kasan_emits_instrumentation::unsanitized
 // CHECK-NEXT:  ; Function Attrs:

tests/codegen/sanitizer/kcfi/add-cfi-normalize-integers-flag.rs

@@ -1,5 +1,6 @@
 // Verifies that "cfi-normalize-integers" module flag is added.
 //
+//@ add-core-stubs
 //@ revisions: aarch64 x86_64
 //@ [aarch64] compile-flags: --target aarch64-unknown-none
 //@ [aarch64] needs-llvm-components: aarch64
@@ -11,10 +12,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 pub fn foo() {}
 

tests/codegen/sanitizer/kcfi/add-kcfi-flag.rs

@@ -1,5 +1,6 @@
 // Verifies that "kcfi" module flag is added.
 //
+//@ add-core-stubs
 //@ revisions: aarch64 x86_64
 //@ [aarch64] compile-flags: --target aarch64-unknown-none
 //@ [aarch64] needs-llvm-components: aarch64
@@ -11,10 +12,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 pub fn foo() {}
 

tests/codegen/sanitizer/kcfi/add-kcfi-offset-flag.rs

@@ -1,5 +1,6 @@
 // Verifies that "kcfi-offset" module flag is added.
 //
+//@ add-core-stubs
 //@ revisions: aarch64 x86_64
 //@ [aarch64] compile-flags: --target aarch64-unknown-none
 //@ [aarch64] needs-llvm-components: aarch64
@@ -11,10 +12,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 pub fn foo() {}
 

tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-attr-no-sanitize.rs

@@ -1,5 +1,6 @@
 // Verifies that KCFI operand bundles are omitted.
 //
+//@ add-core-stubs
 //@ revisions: aarch64 x86_64
 //@ [aarch64] compile-flags: --target aarch64-unknown-none
 //@ [aarch64] needs-llvm-components: aarch64
@@ -11,12 +12,8 @@
 #![feature(no_core, no_sanitize, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-
-impl Copy for i32 {}
 
 #[no_sanitize(kcfi)]
 pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {

tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-generalized.rs

@@ -1,5 +1,6 @@
 // Verifies that generalized KCFI type metadata for functions are emitted.
 //
+//@ add-core-stubs
 //@ revisions: aarch64 x86_64
 //@ [aarch64] compile-flags: --target aarch64-unknown-none
 //@ [aarch64] needs-llvm-components: aarch64
@@ -11,12 +12,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-
-impl Copy for i32 {}
 
 pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
     // CHECK-LABEL: define{{.*}}foo

tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-normalized-generalized.rs

@@ -1,5 +1,6 @@
 // Verifies that normalized and generalized KCFI type metadata for functions are emitted.
 //
+//@ add-core-stubs
 //@ revisions: aarch64 x86_64
 //@ [aarch64] compile-flags: --target aarch64-unknown-none
 //@ [aarch64] needs-llvm-components: aarch64
@@ -11,12 +12,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-
-impl Copy for i32 {}
 
 pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
     // CHECK-LABEL: define{{.*}}foo

tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi-normalized.rs

@@ -1,5 +1,6 @@
 // Verifies that normalized KCFI type metadata for functions are emitted.
 //
+//@ add-core-stubs
 //@ revisions: aarch64 x86_64
 //@ [aarch64] compile-flags: --target aarch64-unknown-none
 //@ [aarch64] needs-llvm-components: aarch64
@@ -11,12 +12,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-
-impl Copy for i32 {}
 
 pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
     // CHECK-LABEL: define{{.*}}foo

tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle-itanium-cxx-abi.rs

@@ -1,5 +1,6 @@
 // Verifies that KCFI type metadata for functions are emitted.
 //
+//@ add-core-stubs
 //@ revisions: aarch64 x86_64
 //@ [aarch64] compile-flags: --target aarch64-unknown-none
 //@ [aarch64] needs-llvm-components: aarch64
@@ -11,12 +12,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-
-impl Copy for i32 {}
 
 pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
     // CHECK-LABEL: define{{.*}}foo

tests/codegen/sanitizer/kcfi/emit-kcfi-operand-bundle.rs

@@ -1,5 +1,6 @@
 // Verifies that KCFI operand bundles are emitted.
 //
+//@ add-core-stubs
 //@ revisions: aarch64 x86_64
 //@ [aarch64] compile-flags: --target aarch64-unknown-none
 //@ [aarch64] needs-llvm-components: aarch64
@@ -11,12 +12,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-
-impl Copy for i32 {}
 
 pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
     // CHECK-LABEL: define{{.*}}foo{{.*}}!{{<unknown kind #36>|kcfi_type}} !{{[0-9]+}}

tests/codegen/sanitizer/kcfi/emit-type-metadata-trait-objects.rs

@@ -1,5 +1,6 @@
 // Verifies that type metadata identifiers for trait objects are emitted correctly.
 //
+//@ add-core-stubs
 //@ revisions: aarch64 x86_64
 //@ [aarch64] compile-flags: --target aarch64-unknown-none
 //@ [aarch64] needs-llvm-components: aarch64
@@ -11,29 +12,8 @@
 #![feature(arbitrary_self_types, no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
-impl<T: ?Sized> Copy for &T {}
-#[lang = "legacy_receiver"]
-trait LegacyReceiver {}
-#[lang = "dispatch_from_dyn"]
-trait DispatchFromDyn<T> {}
-impl<'a, T: ?Sized + Unsize<U>, U: ?Sized> DispatchFromDyn<&'a U> for &'a T {}
-#[lang = "unsize"]
-trait Unsize<T: ?Sized> {}
-#[lang = "coerce_unsized"]
-pub trait CoerceUnsized<T: ?Sized> {}
-impl<'a, 'b: 'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<&'a U> for &'b T {}
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "drop_in_place"]
-fn drop_in_place_fn<T>() {}
-#[lang = "drop"]
-trait Drop {
-    fn drop(&mut self);
-}
 
 pub trait Trait1 {
     fn foo(&self);

tests/codegen/sanitizer/riscv64-shadow-call-stack.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: --target riscv64imac-unknown-none-elf -Zsanitizer=shadow-call-stack
 //@ needs-llvm-components: riscv
 
@@ -6,8 +7,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 // CHECK: ; Function Attrs:{{.*}}shadowcallstack
 // CHECK: define dso_local void @foo() unnamed_addr #0

tests/codegen/some-abis-do-extend-params-to-32-bits.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ compile-flags: -Cno-prepopulate-passes -Copt-level=0
 
 //@ revisions:x86_64 i686 aarch64-apple aarch64-windows aarch64-linux arm riscv
@@ -24,12 +25,8 @@
 #![no_std]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 // The patterns in this file are written in the style of a table to make the
 // uniformities and distinctions more apparent.

tests/codegen/sparc-struct-abi.rs

@@ -1,17 +1,14 @@
 // Checks that we correctly codegen extern "C" functions returning structs.
 // See issues #52638 and #86163.
 
+//@ add-core-stubs
 //@ compile-flags: -Copt-level=3 --target=sparc64-unknown-linux-gnu --crate-type=rlib
 //@ needs-llvm-components: sparc
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "freeze"]
-trait Freeze {}
-#[lang = "copy"]
-trait Copy {}
 
 #[repr(C)]
 pub struct Bool {

tests/codegen/stack-probes-inline.rs

@@ -1,6 +1,7 @@
 // Check the "probe-stack" attribute for targets with `StackProbeType::Inline`,
 // or `StackProbeType::InlineOrCall` when running on newer LLVM.
 
+//@ add-core-stubs
 //@ compile-flags: -C no-prepopulate-passes
 //@ revisions: aarch64 powerpc powerpc64 powerpc64le s390x i686 x86_64
 //@[aarch64] compile-flags: --target aarch64-unknown-linux-gnu
@@ -22,8 +23,8 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 #[no_mangle]
 pub fn foo() {

tests/codegen/target-feature-overrides.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: COMPAT INCOMPAT
 //@ needs-llvm-components: x86
 //@ compile-flags: --target=x86_64-unknown-linux-gnu -Copt-level=3
@@ -9,10 +10,8 @@
 #![crate_type = "lib"]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 extern "C" {
     fn peach() -> u32;

tests/codegen/tied-features-strength.rs

@@ -1,4 +1,5 @@
 // ignore-tidy-linelength
+//@ add-core-stubs
 //@ revisions: ENABLE_SVE DISABLE_SVE DISABLE_NEON ENABLE_NEON
 //@ compile-flags: --crate-type=rlib --target=aarch64-unknown-linux-gnu
 //@ needs-llvm-components: aarch64
@@ -22,7 +23,7 @@
 #![feature(no_core, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
 
 pub fn test() {}

tests/ui/abi/arm-unadjusted-intrinsic.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ build-pass
 //@ revisions: arm
 //@[arm] compile-flags: --target arm-unknown-linux-gnueabi
@@ -14,19 +15,8 @@
 #![crate_type = "lib"]
 #![allow(non_camel_case_types)]
 
-/// To work cross-target this test must be no_core.
+extern crate minicore;
-/// This little prelude supplies what we need.
+use minicore::*;
-#[lang = "sized"]
-pub trait Sized {}
-
-#[lang = "copy"]
-pub trait Copy: Sized {}
-impl Copy for i8 {}
-impl<T: ?Sized> Copy for *const T {}
-impl<T: ?Sized> Copy for *mut T {}
-
-// I hate no_core tests!
-impl<T: Copy, const N: usize> Copy for [T; N] {}
 
 // Regression test for https://github.com/rust-lang/rust/issues/118124.
 

tests/ui/abi/riscv-discoverability-guidance.riscv32.stderr

@@ -1,5 +1,5 @@
 error[E0703]: invalid ABI: found `riscv-interrupt`
-  --> $DIR/riscv-discoverability-guidance.rs:17:8
+  --> $DIR/riscv-discoverability-guidance.rs:15:8
    |
 LL | extern "riscv-interrupt" fn isr() {}
    |        ^^^^^^^^^^^^^^^^^
@@ -10,7 +10,7 @@ LL | extern "riscv-interrupt" fn isr() {}
    = note: invoke `rustc --print=calling-conventions` for a full list of supported calling conventions
 
 error[E0703]: invalid ABI: found `riscv-interrupt-u`
-  --> $DIR/riscv-discoverability-guidance.rs:22:8
+  --> $DIR/riscv-discoverability-guidance.rs:20:8
    |
 LL | extern "riscv-interrupt-u" fn isr_U() {}
    |        ^^^^^^^^^^^^^^^^^^^

tests/ui/abi/riscv-discoverability-guidance.riscv64.stderr

@@ -1,5 +1,5 @@
 error[E0703]: invalid ABI: found `riscv-interrupt`
-  --> $DIR/riscv-discoverability-guidance.rs:17:8
+  --> $DIR/riscv-discoverability-guidance.rs:15:8
    |
 LL | extern "riscv-interrupt" fn isr() {}
    |        ^^^^^^^^^^^^^^^^^
@@ -10,7 +10,7 @@ LL | extern "riscv-interrupt" fn isr() {}
    = note: invoke `rustc --print=calling-conventions` for a full list of supported calling conventions
 
 error[E0703]: invalid ABI: found `riscv-interrupt-u`
-  --> $DIR/riscv-discoverability-guidance.rs:22:8
+  --> $DIR/riscv-discoverability-guidance.rs:20:8
    |
 LL | extern "riscv-interrupt-u" fn isr_U() {}
    |        ^^^^^^^^^^^^^^^^^^^

tests/ui/abi/riscv-discoverability-guidance.rs

@@ -1,4 +1,5 @@
 // ignore-tidy-linelength
+//@ add-core-stubs
 //@ revisions: riscv32 riscv64
 //
 //@ [riscv32] needs-llvm-components: riscv
@@ -6,13 +7,10 @@
 //@ [riscv64] needs-llvm-components: riscv
 //@ [riscv64] compile-flags: --target=riscv64gc-unknown-none-elf -C target-feature=-unaligned-scalar-mem --crate-type=rlib
 #![no_core]
-#![feature(
+#![feature(no_core, lang_items, abi_riscv_interrupt)]
-    no_core,
+
-    lang_items,
+extern crate minicore;
-    abi_riscv_interrupt
+use minicore::*;
-)]
-#[lang = "sized"]
-trait Sized {}
 
 extern "riscv-interrupt" fn isr() {}
 //~^ ERROR invalid ABI

tests/ui/abi/sparcv8plus-llvm19.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: sparc sparcv8plus sparc_cpu_v9 sparc_feature_v8plus sparc_cpu_v9_feature_v8plus
 //@[sparc] compile-flags: --target sparc-unknown-none-elf
 //@[sparc] needs-llvm-components: sparc
@@ -15,10 +16,8 @@
 #![feature(no_core, rustc_attrs, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 #[rustc_builtin_macro]
 macro_rules! compile_error {

tests/ui/abi/sparcv8plus-llvm19.sparc.stderr

@@ -1,5 +1,5 @@
 error: -v8plus,-v9
-  --> $DIR/sparcv8plus-llvm19.rs:29:1
+  --> $DIR/sparcv8plus-llvm19.rs:28:1
    |
 LL | compile_error!("-v8plus,-v9");
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/abi/sparcv8plus-llvm19.sparc_cpu_v9.stderr

@@ -1,5 +1,5 @@
 error: +v8plus,+v9
-  --> $DIR/sparcv8plus-llvm19.rs:34:1
+  --> $DIR/sparcv8plus-llvm19.rs:33:1
    |
 LL | compile_error!("+v8plus,+v9");
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/abi/sparcv8plus-llvm19.sparc_cpu_v9_feature_v8plus.stderr

@@ -1,5 +1,5 @@
 error: +v8plus,+v9
-  --> $DIR/sparcv8plus-llvm19.rs:34:1
+  --> $DIR/sparcv8plus-llvm19.rs:33:1
    |
 LL | compile_error!("+v8plus,+v9");
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/abi/sparcv8plus-llvm19.sparc_feature_v8plus.stderr

@@ -1,5 +1,5 @@
 error: +v8plus,-v9 (FIXME)
-  --> $DIR/sparcv8plus-llvm19.rs:39:1
+  --> $DIR/sparcv8plus-llvm19.rs:38:1
    |
 LL | compile_error!("+v8plus,-v9 (FIXME)");
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/abi/sparcv8plus-llvm19.sparcv8plus.stderr

@@ -1,5 +1,5 @@
 error: +v8plus,+v9
-  --> $DIR/sparcv8plus-llvm19.rs:34:1
+  --> $DIR/sparcv8plus-llvm19.rs:33:1
    |
 LL | compile_error!("+v8plus,+v9");
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/abi/sparcv8plus.rs

@@ -1,3 +1,4 @@
+//@ add-core-stubs
 //@ revisions: sparc sparcv8plus sparc_cpu_v9 sparc_feature_v8plus sparc_cpu_v9_feature_v8plus
 //@[sparc] compile-flags: --target sparc-unknown-none-elf
 //@[sparc] needs-llvm-components: sparc
@@ -15,10 +16,8 @@
 #![feature(no_core, rustc_attrs, lang_items)]
 #![no_core]
 
-#[lang = "sized"]
+extern crate minicore;
-trait Sized {}
+use minicore::*;
-#[lang = "copy"]
-trait Copy {}
 
 #[rustc_builtin_macro]
 macro_rules! compile_error {

tests/ui/abi/sparcv8plus.sparc.stderr

@@ -1,5 +1,5 @@
 error: -v8plus,-v9
-  --> $DIR/sparcv8plus.rs:29:1
+  --> $DIR/sparcv8plus.rs:28:1
    |
 LL | compile_error!("-v8plus,-v9");
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/abi/sparcv8plus.sparc_cpu_v9.stderr

@@ -1,5 +1,5 @@
 error: -v8plus,+v9
-  --> $DIR/sparcv8plus.rs:42:1
+  --> $DIR/sparcv8plus.rs:41:1
    |
 LL | compile_error!("-v8plus,+v9");
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/abi/sparcv8plus.sparc_cpu_v9_feature_v8plus.stderr

@@ -1,5 +1,5 @@
 error: +v8plus,+v9
-  --> $DIR/sparcv8plus.rs:33:1
+  --> $DIR/sparcv8plus.rs:32:1
    |
 LL | compile_error!("+v8plus,+v9");
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/abi/sparcv8plus.sparc_feature_v8plus.stderr

@@ -1,5 +1,5 @@
 error: +v8plus,-v9 (FIXME)
-  --> $DIR/sparcv8plus.rs:38:1
+  --> $DIR/sparcv8plus.rs:37:1
    |
 LL | compile_error!("+v8plus,-v9 (FIXME)");
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^