[libc-commits] [libc] [libc] quick fix for aarch64 jmpbuf build (PR #101357)

[via libc-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: Schrodinger ZHU Yifan (SchrodingerZhu)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/101357.diff


2 Files Affected:

- (modified) libc/src/setjmp/aarch64/longjmp.cpp (+3-1) 
- (modified) libc/src/setjmp/aarch64/setjmp.cpp (+2-1) 


``````````diff
diff --git a/libc/src/setjmp/aarch64/longjmp.cpp b/libc/src/setjmp/aarch64/longjmp.cpp
index 3207cf40368c4..fbb86524e3951 100644
--- a/libc/src/setjmp/aarch64/longjmp.cpp
+++ b/libc/src/setjmp/aarch64/longjmp.cpp
@@ -22,7 +22,9 @@ namespace LIBC_NAMESPACE_DECL {
 // supports the MTE instructions, not whether the compiler is configured to use
 // them.)
 
-[[gnu::naked]] LLVM_LIBC_FUNCTION(void, longjmp, (__jmp_buf * buf, int val)) {
+[[gnu::naked]] LLVM_LIBC_FUNCTION(void, longjmp,
+                                  ([[maybe_unused]] __jmp_buf * buf,
+                                   [[maybe_unused]] int val)) {
   // If BTI branch protection is in use, the compiler will automatically insert
   // a BTI here, so we don't need to make any extra effort to do so.
 
diff --git a/libc/src/setjmp/aarch64/setjmp.cpp b/libc/src/setjmp/aarch64/setjmp.cpp
index ba4dd645eaaa3..90e49be49a8fc 100644
--- a/libc/src/setjmp/aarch64/setjmp.cpp
+++ b/libc/src/setjmp/aarch64/setjmp.cpp
@@ -12,7 +12,8 @@
 
 namespace LIBC_NAMESPACE_DECL {
 
-[[gnu::naked]] LLVM_LIBC_FUNCTION(int, setjmp, (__jmp_buf * buf)) {
+[[gnu::naked]] LLVM_LIBC_FUNCTION(int, setjmp,
+                                  ([[maybe_unused]] __jmp_buf * buf)) {
   // If BTI branch protection is in use, the compiler will automatically insert
   // a BTI here, so we don't need to make any extra effort to do so.
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/101357