[PATCH] D76696: [AST] Build recovery expressions by default for C++.

[Hubert Tong via Phabricator via cfe-commits]

hubert.reinterpretcast added a comment.

In D76696#1944784 <https://reviews.llvm.org/D76696#1944784>, @sammccall wrote:

> The general scheme is probably common: unresolved expr -> ??? -> an expression is dependent but not marked as such -> constant evaluation crashes.
>
> But the ??? matters, as that's where the fix is.
>  In the case above: expr is used in a member of X, and X is not a dependent type, so sizeof(X) is not considered dependent


The context, if I understand correctly for the cases I am seeing, boil down to:

- Value of a member initializer for a constexpr constructor
- Bitfield width


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https://reviews.llvm.org/D76696