[clang] [clang] Avoid memcopy for small structure with padding (PR #71677)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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``````````bash
git-clang-format --diff 26ab444e88fc8fdd554e5a9381a68b7b5e63b6fd 700376a265e3f349f5faece740e1823a2f19930c -- clang/lib/CodeGen/CGDecl.cpp clang/test/CodeGenCXX/auto-var-init.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp
index 9761ae4726dc..070a5e0a43e1 100644
--- a/clang/lib/CodeGen/CGDecl.cpp
+++ b/clang/lib/CodeGen/CGDecl.cpp
@@ -1254,8 +1254,8 @@ static void emitStoresForConstant(CodeGenModule &CGM, const VarDecl &D,
             CGM, D, EltPtr, isVolatile, Builder,
             cast<llvm::Constant>(Builder.CreateExtractValue(constant, i)),
             IsAutoInit);
-        }
-        return;
+      }
+      return;
     } else if (auto *ATy = dyn_cast<llvm::ArrayType>(Ty)) {
       // FIXME: handle the case when ATy != Loc.getElementType().
       if (ATy == Loc.getElementType()) {

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https://github.com/llvm/llvm-project/pull/71677