[clang] Performance optimizations for function effects (nonblocking attribute etc.) (PR #96844)

[Doug Wyatt via cfe-commits]

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@@ -5132,6 +5130,10 @@ class FunctionProtoType final
     return hasExtParameterInfos() ? getNumParams() : 0;
   }
 
+  unsigned numTrailingObjects(OverloadToken<Qualifiers>) const {
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dougsonos wrote:

Seems necessary when making Qualifiers no longer last.

https://github.com/llvm/llvm-project/pull/96844