================
@@ -685,9 +685,22 @@ class TransferVisitor : public
ConstStmtVisitor<TransferVisitor> {
// `S->inits()` contains all the initializer expressions, including the
// ones for direct base classes.
- auto Inits = S->inits();
+ ArrayRef<Expr *> Inits = S->inits();
size_t InitIdx = 0;
+ // Unions initialized with an empty initializer list need special
treatment.
----------------
martinboehme wrote:
It appears that CodeGen also appears to special-case this like we do:
https://github.com/llvm/llvm-project/blob/e08fe575d5953b6ca0d7a578c1afa00247f0a12f/clang/lib/CodeGen/CGExprAgg.cpp#L1760
And if we changed the AST so that we had an `ImplicitValueInitExpr` here, it
looks as if the general case in CodeGen would do the right thing.
I'll make a note of this for myself.
https://github.com/llvm/llvm-project/pull/82986
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