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| -rw-r--r-- | clang/docs/ReleaseNotes.rst | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index 3cf2d4f..3c661b8 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -50,13 +50,15 @@ C++ Specific Potentially Breaking Changes account the possibility that functions could be overloaded on their template parameter lists or requires-clauses. This causes mangled names to change for function templates in the following cases: - - When the function has any constraints, whether from constrained template + + - When the function has any constraints, whether from constrained template parameters or requires-clauses. - - When the template parameter list includes a deduced type -- either + - When the template parameter list includes a deduced type -- either ``auto``, ``decltype(auto)``, or a deduced class template specialization type. - - When a template template parameter is given a template template argument + - When a template template parameter is given a template template argument that has a different template parameter list. + This fixes a number of issues where valid programs would be rejected due to mangling collisions, or would in some cases be silently miscompiled. Clang will use the old manglings if ``-fclang-abi-compat=17`` or lower is |