Doug Gregor 343947a532 [Module-scope lookup] Don't expand macros associated with members of types ...

The module-scope lookup tables use the same code for adding
module-scope declarations as for adding member operators, which are
found via "global" operator lookup. This requires us to expand macros
that can produce members of types, which violates the outside-in
expansion rule described in the proposals.

Stop recording member-producing macros, whether they are peer macros
applied to member declarations or are freestanding declaration macros
within a member context. This re-establishes the outside-in expansion
rule. It also means that member operators introduced by macro
expansion won't be found by global operator lookup, which is a
(necessary) semantic change.

2023-06-03 23:06:29 -07:00

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