Appease invalid_null_arguments

tamird · tamird · commit 02effeeb981b · 2025-04-01T10:29:33.000-04:00
This was promoted from a clippy lint in nightly. Link: rust-lang/rust#119220
diff --git a/tests/assembly/auxiliary/dep-exports.rs b/tests/assembly/auxiliary/dep-exports.rs
@@ -4,7 +4,7 @@
 
 pub fn dep_public_symbol() -> u8 {
     // read_volatile stops LTO inlining the function in the calling crate
-    unsafe { core::ptr::read_volatile(0 as *const u8) }
+    unsafe { core::ptr::read_volatile(core::ptr::dangling()) }
 }
 
 #[no_mangle]
diff --git a/tests/btf/assembly/auxiliary/dep-exports.rs b/tests/btf/assembly/auxiliary/dep-exports.rs
@@ -5,7 +5,7 @@
 #[inline(never)]
 pub fn dep_public_symbol() -> u8 {
     // read_volatile stops LTO inlining the function in the calling crate
-    unsafe { core::ptr::read_volatile(0 as *const u8) }
+    unsafe { core::ptr::read_volatile(core::ptr::dangling()) }
 }
 
 #[no_mangle]

Original file line number	Diff line number	Diff line change
`@@ -4,7 +4,7 @@`
`4`	`4`
`5`	`5`	`pub fn dep_public_symbol() -> u8 {`
`6`	`6`	`// read_volatile stops LTO inlining the function in the calling crate`
`7`		`- unsafe { core::ptr::read_volatile(0 as *const u8) }`
	`7`	`+ unsafe { core::ptr::read_volatile(core::ptr::dangling()) }`
`8`	`8`	`}`
`9`	`9`
`10`	`10`	`#[no_mangle]`
Original file line number	Diff line number	Diff line change
`@@ -5,7 +5,7 @@`
`5`	`5`	`#[inline(never)]`
`6`	`6`	`pub fn dep_public_symbol() -> u8 {`
`7`	`7`	`// read_volatile stops LTO inlining the function in the calling crate`
`8`		`- unsafe { core::ptr::read_volatile(0 as *const u8) }`
	`8`	`+ unsafe { core::ptr::read_volatile(core::ptr::dangling()) }`
`9`	`9`	`}`
`10`	`10`
`11`	`11`	`#[no_mangle]`