[PATCH] D129531: [clang][C++20] P0960R3: Allow initializing aggregates from a parenthesized list of values

[Alan Zhao via Phabricator via cfe-commits]

ayzhao added a comment.

Friendly ping for reviewers since (I think) this is more or less complete.

Additionally, I found out that the GCC implementation [0] allows references to aggregates to be paren-initialized - i.e. it accepts the following:

  struct A {
    int a;
    int b;
  };
  const A& r(1, 2);
  int (&&rr)[](1, 2, 3);

however; I don't see anything in the standard that supports these kinds of expressions. Moreover, MSVC also doesn't support paren-initialized aggregate references [1].

Could someone familiar with the standard comment on this?

[0]: https://github.com/gcc-mirror/gcc/commit/43aae289866f5ea55d187444520412554aa2e171
[1]: https://godbolt.org/z/87cdn6c19


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