================ @@ -59,6 +59,18 @@ C++ Specific Potentially Breaking Changes - Clang now performs semantic analysis for unary operators with dependent operands that are known to be of non-class non-enumeration type prior to instantiation. + This change uncovered a bug in libstdc++ 14.1.0 which may cause compile failures + on systems using that version of libstdc++ and Clang 19, with an error that looks + something like this: + + .. code-block:: text + + <source>:4:5: error: expression is not assignable + 4 | ++this; + | ^ ~~~~ + + To fix this, update libstdc++ to a newer version, such as 14.1.1 or 14.2. ---------------- cor3ntin wrote:
```suggestion To fix this, update libstdc++ to version 14.1.1 or greater. ``` 14.2 _should_ release before clang 19 but probably not by much so I don't think we want to be that specific https://github.com/llvm/llvm-project/pull/93059 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
