================
@@ -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();
+
+ ArrayRef<FunctionEffect> SrcFX = epi.FunctionEffects.effects();
+ auto *DestFX = getTrailingObjects<FunctionEffect>();
+ std::copy(SrcFX.begin(), SrcFX.end(), DestFX);
----------------
Sirraide wrote:
```suggestion
std::uninitialized_copy(SrcFX.begin(), SrcFX.end(), DestFX);
```
I think you’re supposed to do this since this is copying into uninitialised
memory; that’s at least how code using `TrailingObjects` typically does it.
https://github.com/llvm/llvm-project/pull/84983
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