[clang] [Clang] Make the SizeType, SignedSizeType and PtrdiffType be named sugar types instead of built-in types (PR #143653)

[Matheus Izvekov via cfe-commits]

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@@ -117,3 +117,4 @@ def PipeType : TypeNode<Type>;
 def AtomicType : TypeNode<Type>;
 def BitIntType : TypeNode<Type>;
 def DependentBitIntType : TypeNode<Type>, AlwaysDependent;
+def PredefinedSugarType : TypeNode<Type>, NeverCanonical;
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mizvekov wrote:

Missing newline at the end of the file.

https://github.com/llvm/llvm-project/pull/143653