[clang-tools-extra] [NFC] Fixes proposed by code sanitizer. (PR #134138)

[Zahira Ammarguellat via cfe-commits]

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@@ -260,7 +260,7 @@ static IntegerRange createFromType(const ASTContext &Context,
     llvm::APSInt LowerValue(PrecisionBits + 2, /*isUnsigned*/ false);
     LowerValue.setBit(PrecisionBits);
     LowerValue.setSignBit();
-    return {LowerValue, UpperValue};
+    return {std::move(LowerValue), UpperValue};
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zahiraam wrote:

> this doesn't have any impact. And if using move, why not for a second too

Good point.  I was only addressing the issues that the sanitizer identified.

https://github.com/llvm/llvm-project/pull/134138