-Wdeprecated-this-capture #22072
Description
What version of protobuf and what language are you using?
Version: 29.3
Language: C++
What operating system (Linux, Windows, ...) and version?
Ubuntu 22.04
What runtime / compiler are you using (e.g., python version or gcc version)
clang-20
What did you do?
Build (via bazel)
What did you expect to see
No compiler diagnostics.
What did you see instead?
external/protobuf+/src/google/protobuf/map.cc:120:36: warning: implicit capture of 'this' with a capture default of '=' is deprecated [-Wdeprecated-this-capture]
120 | const TableEntryPtr* table = table_;
| ^
external/protobuf+/src/google/protobuf/map.cc:119:24: note: add an explicit capture of 'this' to capture '*this' by reference
119 | const auto loop = [=](auto destroy_node) {
| ^
| , this
Anything else we should know about your project / environment
We're building C++ in C++20 mode; perhaps this deprecation warning is related/new for C++20?