================
@@ -5321,6 +5321,59 @@ class BuiltinBitCastExpr final
}
};
+// Represents an unexpanded pack where the list of expressions are
+// known. These are used when structured bindings introduce a pack.
+class ResolvedUnexpandedPackExpr final
+ : public Expr,
+ private llvm::TrailingObjects<ResolvedUnexpandedPackExpr, Expr *> {
----------------
ricejasonf wrote:
Personally, I am content to leave it as is, but storing Decls instead of Exprs
does have the benefit of delaying building the DeclRefExprs until expansion
which creates less garbage and would simplify `flat_bindings`. If anything, I
would leave the name `ResolvedUnexpandedPackExpr` and make the trailing objects
`ValueDecl` to support future consolidation. That is premised on never wanting
to create a pack of expressions which was my original intent as this was made
for P1221 (which I have abandoned). I will defer to @cor3ntin.
https://github.com/llvm/llvm-project/pull/121417
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