Rollup merge of #138387 - RalfJung:intrinsic-arg-names, r=oli-obk

intrinsics: remove unnecessary leading underscore from argument names

This is unnecessary since rust-lang/rust#135840.

Author: matthiaskrgr

tests/fail/intrinsics/copy_overlapping.rs

@@ -2,7 +2,7 @@
 
 // Directly call intrinsic to avoid debug assertions in libstd
 #[rustc_intrinsic]
-unsafe fn copy_nonoverlapping<T>(_src: *const T, _dst: *mut T, _count: usize);
+unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize);
 
 fn main() {
     let mut data = [0u8; 16];

tests/fail/intrinsics/copy_unaligned.rs

@@ -2,7 +2,7 @@
 
 // Directly call intrinsic to avoid debug assertions in libstd
 #[rustc_intrinsic]
-unsafe fn copy_nonoverlapping<T>(_src: *const T, _dst: *mut T, _count: usize);
+unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize);
 
 fn main() {
     let mut data = [0u16; 8];

tests/fail/intrinsics/ctlz_nonzero.rs

@@ -2,7 +2,7 @@
 
 mod rusti {
     #[rustc_intrinsic]
-    pub unsafe fn ctlz_nonzero<T>(_x: T) -> u32;
+    pub unsafe fn ctlz_nonzero<T>(x: T) -> u32;
 }
 
 pub fn main() {

tests/fail/intrinsics/cttz_nonzero.rs

@@ -2,7 +2,7 @@
 
 mod rusti {
     #[rustc_intrinsic]
-    pub unsafe fn cttz_nonzero<T>(_x: T) -> u32;
+    pub unsafe fn cttz_nonzero<T>(x: T) -> u32;
 }
 
 pub fn main() {

tests/fail/intrinsics/float_to_int_32_inf1.rs

@@ -2,7 +2,7 @@
 
 // Directly call intrinsic to avoid debug assertions in libstd
 #[rustc_intrinsic]
-unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(_value: Float) -> Int;
+unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(value: Float) -> Int;
 
 fn main() {
     unsafe {

tests/fail/intrinsics/float_to_int_32_infneg1.rs

@@ -2,7 +2,7 @@
 
 // Directly call intrinsic to avoid debug assertions in libstd
 #[rustc_intrinsic]
-unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(_value: Float) -> Int;
+unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(value: Float) -> Int;
 
 fn main() {
     unsafe {

tests/fail/intrinsics/float_to_int_32_nan.rs

@@ -2,7 +2,7 @@
 
 // Directly call intrinsic to avoid debug assertions in libstd
 #[rustc_intrinsic]
-unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(_value: Float) -> Int;
+unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(value: Float) -> Int;
 
 fn main() {
     unsafe {

tests/fail/intrinsics/float_to_int_32_nanneg.rs

@@ -2,7 +2,7 @@
 
 // Directly call intrinsic to avoid debug assertions in libstd
 #[rustc_intrinsic]
-unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(_value: Float) -> Int;
+unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(value: Float) -> Int;
 
 fn main() {
     unsafe {

tests/fail/intrinsics/float_to_int_32_neg.rs

@@ -2,7 +2,7 @@
 
 // Directly call intrinsic to avoid debug assertions in libstd
 #[rustc_intrinsic]
-unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(_value: Float) -> Int;
+unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(value: Float) -> Int;
 
 fn main() {
     unsafe {

tests/fail/intrinsics/float_to_int_32_too_big1.rs

@@ -2,7 +2,7 @@
 
 // Directly call intrinsic to avoid debug assertions in libstd
 #[rustc_intrinsic]
-unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(_value: Float) -> Int;
+unsafe fn float_to_int_unchecked<Float: Copy, Int: Copy>(value: Float) -> Int;
 
 fn main() {
     unsafe {