[dcl.init]/14 should probably consider parenthesized initializer for arrays CWG2708

[cpplearner]

[dcl.init]/14:

If the entity being initialized does not have class type, the expression-list in a parenthesized initializer shall be a single expression.

This seems to conflict with P0960R3: Allow initializing aggregates from a parenthesized list of values (merged in f29e482), which intends to allow int a[](1, 2, 3);.

[jensmaurer]

This looks like normative CWG territory to me.

[frederick-vs-ja]

This is now CWG2708 (resolved by #6328 (f4bb205)).