This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 119a. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.
2025-12-20
[Accepted as a DR at the March, 2024 meeting.]
Subclause 7.6.2.4 [expr.await] paragraph 2 disallowsanawait-expression to appear in the body ofalambda-expression:
Anawait-expression shall appear only in apotentially-evaluated expression within thecompound-statementof afunction-body outside of a handler(14.1 [except.pre]). ...
This is probably unintended.
Proposed resolution (approved by CWG 2023-11-11):
Change in 7.6.2.4 [expr.await] paragraph 2 as follows:
Anawait-expression shall appearonlyinas a potentially-evaluated expressionwithin thecompound-statement ofafunction-bodyorlambda-expression, in eithercase outside of a handler (14.1 [except.pre]). ...