[clang] [CIR] Upstream support for function/call calling conventions (PR #181170)

[Sirui Mu via cfe-commits]

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@@ -27,8 +27,6 @@ mlir::Value lowerCirAttrAsValue(mlir::Operation *parentOp, mlir::Attribute attr,
                                 mlir::ConversionPatternRewriter &rewriter,
                                 const mlir::TypeConverter *converter);
 
-mlir::LLVM::Linkage convertLinkage(cir::GlobalLinkageKind linkage);
-
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Lancern wrote:

This change is unrelated to this PR.

https://github.com/llvm/llvm-project/pull/181170