[clang] [Sema] Remove an unnecessary cast (NFC) (PR #146808)

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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 BW is to initialize BitWidth.  This patch renames BW
to BitWdith while removing the cast statement.


---
Full diff: https://github.com/llvm/llvm-project/pull/146808.diff


1 Files Affected:

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


``````````diff
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index e8c65025bfe6d..773148500f0af 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -3431,7 +3431,7 @@ static bool IsUnusedPrivateField(const FieldDecl *FD) {
 NamedDecl *
 Sema::ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, Declarator &D,
                                MultiTemplateParamsArg TemplateParameterLists,
-                               Expr *BW, const VirtSpecifiers &VS,
+                               Expr *BitWidth, const VirtSpecifiers &VS,
                                InClassInitStyle InitStyle) {
   const DeclSpec &DS = D.getDeclSpec();
   DeclarationNameInfo NameInfo = GetNameForDeclarator(D);
@@ -3442,8 +3442,6 @@ Sema::ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, Declarator &D,
   if (Loc.isInvalid())
     Loc = D.getBeginLoc();
 
-  Expr *BitWidth = static_cast<Expr*>(BW);
-
   assert(isa<CXXRecordDecl>(CurContext));
   assert(!DS.isFriendSpecified());
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/146808