[clang] [CIR] Fix extra `;` warning, and replace `new` with emplaceBlock (NFC) (PR #127207)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Henrich Lauko (xlauko)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/127207.diff


1 Files Affected:

- (modified) clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp (+2-2) 


``````````diff
diff --git a/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp b/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
index d60a6b38b0c12..74ff89346f3c4 100644
--- a/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
+++ b/clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp
@@ -157,9 +157,9 @@ void CIRToLLVMGlobalOpLowering::setupRegionInitializedLLVMGlobalOp(
       op, llvmType, isConst, linkage, symbol, nullptr, alignment, addrSpace,
       isDsoLocal, isThreadLocal,
       /*comdat=*/mlir::SymbolRefAttr(), attributes);
-  newGlobalOp.getRegion().push_back(new mlir::Block());
+  newGlobalOp.getRegion().emplaceBlock();
   rewriter.setInsertionPointToEnd(newGlobalOp.getInitializerBlock());
-};
+}
 
 mlir::LogicalResult
 CIRToLLVMGlobalOpLowering::matchAndRewriteRegionInitializedGlobal(

``````````

</details>


https://github.com/llvm/llvm-project/pull/127207