[clang] [clang] Fix filler handling for new expression with unspecified bound. (PR #182203)

[Oliver Hunt via cfe-commits]

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@@ -160,6 +160,10 @@ class alignas(8) InitializedEntity {
     /// Whether the entity being initialized may end up using the
     /// named return value optimization (NRVO).
     bool NRVO;
+
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ojhunt wrote:

I feel like this should be renamed (as well as the variables of course), but doing that in this PR would make it needlessly noisy. Maybe a followup?

https://github.com/llvm/llvm-project/pull/182203