[llvm] [IR] Remove an unnecessary cast (NFC) (PR #146464)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-ir

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

The destructor does not return anything.


---
Full diff: https://github.com/llvm/llvm-project/pull/146464.diff


1 Files Affected:

- (modified) llvm/lib/IR/Metadata.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/IR/Metadata.cpp b/llvm/lib/IR/Metadata.cpp
index 86408d9643c75..f0448b06e7e82 100644
--- a/llvm/lib/IR/Metadata.cpp
+++ b/llvm/lib/IR/Metadata.cpp
@@ -699,7 +699,7 @@ MDNode::Header::~Header() {
   }
   MDOperand *O = reinterpret_cast<MDOperand *>(this);
   for (MDOperand *E = O - SmallSize; O != E; --O)
-    (void)(O - 1)->~MDOperand();
+    (O - 1)->~MDOperand();
 }
 
 void *MDNode::Header::getSmallPtr() {

``````````

</details>


https://github.com/llvm/llvm-project/pull/146464