[clang] [Sema] Remove an unnecessary cast (NFC) (PR #146703)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>

The only use of Receiver is to initialize RecExpr.  This patch renames
Receiver to RecExpr while removing the cast statement.


---
Full diff: https://github.com/llvm/llvm-project/pull/146703.diff


1 Files Affected:

- (modified) clang/lib/Sema/SemaCodeComplete.cpp (+1-3) 


``````````diff
diff --git a/clang/lib/Sema/SemaCodeComplete.cpp b/clang/lib/Sema/SemaCodeComplete.cpp
index b5d4a94da83df..cc361726c1cde 100644
--- a/clang/lib/Sema/SemaCodeComplete.cpp
+++ b/clang/lib/Sema/SemaCodeComplete.cpp
@@ -8499,13 +8499,11 @@ void SemaCodeCompletion::CodeCompleteObjCClassMessage(
 }
 
 void SemaCodeCompletion::CodeCompleteObjCInstanceMessage(
-    Scope *S, Expr *Receiver, ArrayRef<const IdentifierInfo *> SelIdents,
+    Scope *S, Expr *RecExpr, ArrayRef<const IdentifierInfo *> SelIdents,
     bool AtArgumentExpression, ObjCInterfaceDecl *Super) {
   typedef CodeCompletionResult Result;
   ASTContext &Context = getASTContext();
 
-  Expr *RecExpr = static_cast<Expr *>(Receiver);
-
   // If necessary, apply function/array conversion to the receiver.
   // C99 6.7.5.3p[7,8].
   if (RecExpr) {

``````````

</details>


https://github.com/llvm/llvm-project/pull/146703