[llvm] [llvm] Use OwningArrayRef in NodeMetadata (NFC) (PR #137539)

[Nikita Popov via llvm-commits]

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@@ -183,18 +184,14 @@ class NodeMetadata {
   NodeMetadata() = default;
 
   NodeMetadata(const NodeMetadata &Other)
-      : RS(Other.RS), NumOpts(Other.NumOpts), DeniedOpts(Other.DeniedOpts),
-        OptUnsafeEdges(new unsigned[NumOpts]), VReg(Other.VReg),
-        AllowedRegs(Other.AllowedRegs)
+      : RS(Other.RS), DeniedOpts(Other.DeniedOpts),
+        OptUnsafeEdges(ArrayRef<unsigned>(Other.OptUnsafeEdges)),
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nikic wrote:

I see. We could add an explicit copy ctor, but I guess that might make it easier to make copies by accident, so keeping explicit casts is probably best.

https://github.com/llvm/llvm-project/pull/137539