[clang] nonblocking/nonallocating attributes (was: nolock/noalloc) (PR #84983)

[via cfe-commits]

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@@ -3649,6 +3649,25 @@ FunctionProtoType::FunctionProtoType(QualType result, ArrayRef<QualType> params,
     auto &EllipsisLoc = *getTrailingObjects<SourceLocation>();
     EllipsisLoc = epi.EllipsisLoc;
   }
+
+  if (!epi.FunctionEffects.empty()) {
+    auto &ExtraBits = *getTrailingObjects<FunctionTypeExtraBitfields>();
+    // TODO: bitfield overflow?
+    ExtraBits.NumFunctionEffects = epi.FunctionEffects.size();
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Sirraide wrote:

Add an assertion for that please.

https://github.com/llvm/llvm-project/pull/84983