CWG3190 Ambiguous lookup for type aliases in reflection

[jensmaurer]

CWG is seeking EWG approval to make ambiguous lookup cases that arise only in reflection ill-formed. CWG has consensus on the highlighted resolution.

See CWG3190 for details.

[hanickadot]

EWG in Brno on Monday:

EWG Approves of the CWG proposed solution to CWG 3190, which makes the ambiguous reflection of type aliases ill-formed as a DR.

SF	F	N	A	SA
11	20	4	1	1

Result: consensus