================
@@ -4381,11 +4381,13 @@ class PackIndexingExpr final
PackIndexingExpr(QualType Type, SourceLocation EllipsisLoc,
SourceLocation RSquareLoc, Expr *PackIdExpr, Expr
*IndexExpr,
- ArrayRef<Expr *> SubstitutedExprs = {})
+ ArrayRef<Expr *> SubstitutedExprs = {},
+ bool EmptyPack = false)
: Expr(PackIndexingExprClass, Type, VK_LValue, OK_Ordinary),
EllipsisLoc(EllipsisLoc), RSquareLoc(RSquareLoc),
SubExprs{PackIdExpr, IndexExpr},
- TransformedExpressions(SubstitutedExprs.size()) {
+ TransformedExpressions(EmptyPack ? size_t(-1)
----------------
cor3ntin wrote:
I would much prefer we would do something like
```cpp
unsigned ExpandedToEmptyPack : 1;
size_t TransformedExpressions : sizeof(size_t) -1;
```
To avoid the magic value
https://github.com/llvm/llvm-project/pull/92385
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