MatzeB wrote:
FYI: This change breaks common thrift-generated code. Reduced example here
shows the problem and produces "expression is not assignable" (but is accepted
by all released gcc and clang versions as far as I can tell). No idea if the
code is valid/invalid:
```
#include <exception>
struct TmsException : public std::exception {
int _what;
const char* what() const noexcept override { return ""; }
template<typename..., typename T=int>
T& what() & { return _what; }
};
int main() {
TmsException E;
E.what() = 42;
}
```
https://github.com/llvm/llvm-project/pull/148613
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