As of C23, `va_start` no longer requires a second argument, and ignores it when provided. So, the parameter named `unused` is now...unused.
PiperOrigin-RevId: 683183750
In C23, `false` is now of type `bool`, not `int`. This turned a couple places where `false` was returned instead of `NULL` into errors.
The workaround in upb for Windows's broken NAN macro causes an error in Clang under C23, `cannot compile this static initializer yet`, I believe because `0.0 / 0.0` is not valid in constant-evaluation. This seems like it's probably a legitimate result of C23 standardizing constexpr, although it _could_ be a clang bug. In any case, refine the workaround a bit, to avoid this problem.
I've also reverted the kUpb_FltInfinity/kUpb_Infinity back to their former definitions, as INFINITY wasn't broken by the windows header, only NAN.
PiperOrigin-RevId: 683152452
ListFields uses a slightly different codepath from HasField (both are
implemented in generated_message_reflection.cc), and it would be valuable to
add a test case for ListFields in addition to HasFields when reflection API are
tested.
ListFields is used, for example, in Python textproto serialization as a way to
iterate a message.
ListField behaves slightly differently for normal messages vs. MapEntry
messages. In a map, MapEntry essentially have "explicit presence" and empty
fields are considered present.
PiperOrigin-RevId: 682504379
This PR does the following:
* Special-case descriptor.proto to allow for codegen despite being proto2
* Fix a pre-existing bug that gets exercised now during descriptor builds
* Expand test coverage of conformance tests, and fix pre-existing issues
* Properly hook up gencode to staleness infrastructure for automated regen
Closes#18610
fixes https://github.com/protocolbuffers/protobuf/issues/13428
Wraps deprecated field getters in a conditional to see if the value has been set before throwing the warning. This is because this method is used internally, so users can get deprecated warnings even when they are not using the field.
Closes#17788
It is tested on command execution only, where it fixes the issues of reported memory leaks, heap corruption and segmentation fault.
I could not run tests on my Mac because of #16944
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