[clang] [clang][bytecode][NFC] Avoid an APFloat copy (PR #215543)

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<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Timm Baeder (tbaederr)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/215543.diff


1 Files Affected:

- (modified) clang/lib/AST/ByteCode/InterpBuiltin.cpp (+1-1) 


``````````diff
diff --git a/clang/lib/AST/ByteCode/InterpBuiltin.cpp b/clang/lib/AST/ByteCode/InterpBuiltin.cpp
index 0e81059a0f6cf..68fab67ebe848 100644
--- a/clang/lib/AST/ByteCode/InterpBuiltin.cpp
+++ b/clang/lib/AST/ByteCode/InterpBuiltin.cpp
@@ -202,7 +202,7 @@ static llvm::APSInt convertBoolVectorToInt(const Pointer &Val) {
 
 // Strict double -> float conversion used for X86 PD2PS/cvtsd2ss intrinsics.
 // Reject NaN/Inf/Subnormal inputs and any lossy/inexact conversions.
-static bool convertDoubleToFloatStrict(APFloat Src, Floating &Dst,
+static bool convertDoubleToFloatStrict(const APFloat &Src, Floating &Dst,
                                        InterpState &S, const Expr *DiagExpr) {
   if (Src.isInfinity()) {
     if (S.diagnosing())

``````````

</details>


https://github.com/llvm/llvm-project/pull/215543