[libunwind] Revert "Silence -Wunused-parameter warnings in Unwind-wasm.c" (PR #175776)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libunwind

Author: Sam Clegg (sbc100)

<details>
<summary>Changes</summary>

Reverts llvm/llvm-project#<!-- -->125412

See the discussion in #<!-- -->125412 for why this is necessary.  The summary is that:

- Eliding arguments is the C23 extension
- `-Wno-unused-parameter` is part of the build for libunwind, so the codebase does allow them.

---
Full diff: https://github.com/llvm/llvm-project/pull/175776.diff


1 Files Affected:

- (modified) libunwind/src/Unwind-wasm.c (+4-2) 


``````````diff
diff --git a/libunwind/src/Unwind-wasm.c b/libunwind/src/Unwind-wasm.c
index b0d6cd2d00fc5..2f4498c3f3989 100644
--- a/libunwind/src/Unwind-wasm.c
+++ b/libunwind/src/Unwind-wasm.c
@@ -102,7 +102,8 @@ _LIBUNWIND_EXPORT uintptr_t _Unwind_GetIP(struct _Unwind_Context *context) {
 }
 
 /// Not used in Wasm.
-_LIBUNWIND_EXPORT void _Unwind_SetIP(struct _Unwind_Context *, uintptr_t) {}
+_LIBUNWIND_EXPORT void _Unwind_SetIP(struct _Unwind_Context *context,
+                                     uintptr_t value) {}
 
 /// Called by personality handler to get LSDA for current frame.
 _LIBUNWIND_EXPORT uintptr_t
@@ -114,7 +115,8 @@ _Unwind_GetLanguageSpecificData(struct _Unwind_Context *context) {
 }
 
 /// Not used in Wasm.
-_LIBUNWIND_EXPORT uintptr_t _Unwind_GetRegionStart(struct _Unwind_Context *) {
+_LIBUNWIND_EXPORT uintptr_t
+_Unwind_GetRegionStart(struct _Unwind_Context *context) {
   return 0;
 }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/175776