Jonathan Wakely
b14121a2ac
This was approved in Issaquah 2023. As well as fixing the value categories, this fixes the fact that we were incorrectly testing E instead of T in the or_else constraints. libstdc++-v3/ChangeLog: * include/std/expected (expected::and_then, expected::or_else) (expected::transform, expected::transform_error): Fix exception specifications as per LWG 3877. (expected<void, E>::and_then, expected<void, E>::transform): Likewise. * testsuite/20_util/expected/lwg3877.cc: New test. (cherry picked from commit ba490492e51834db645a3165d14f2ba0af62a8c7)
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