clang-format mis-format braces of class template specializations

[owenca]

$ clang-format -version
clang-format version 19.0.0git (https://github.com/llvm/llvm-project b11a6607cb6522c58dfbd5f54239e7daa281368e)
$ echo 'template <> struct is_void<void> : std::true_type {};' | clang-format
template <> struct is_void<void> : std::true_type{};
$ 

18.1.5 (and expected) output:
template <> struct is_void<void> : std::true_type {};

[llvmbot]

@llvm/issue-subscribers-clang-format

Author: Owen Pan (owenca)

``` $ clang-format -version clang-format version 19.0.0git (https://github.com/llvm/llvm-project b11a660) $ echo 'template <> struct is_void<void> : std::true_type {};' | clang-format template <> struct is_void<void> : std::true_type{}; $ ``` 18.1.5 (and expected) output: `template <> struct is_void<void> : std::true_type {};`