| Issue |
74214
|
| Summary |
[libc++][test] User-defined `std::ctype<Char>` specialization lacks `tolower()`
|
| Labels |
libc++
|
| Assignees |
|
| Reporter |
StephanTLavavej
|
Found while running libc++'s test suite with MSVC's STL.
The following code is non-conforming:
https://github.com/llvm/llvm-project/blob/7ec4f6094e54911794c142b5d88496a220d807d6/libcxx/test/std/localization/locale.categories/category.numeric/locale.num.get/user_defined_char_type.pass.cpp#L76-L86
This specialization doesn't meet all of the Standard's requirements for `std::ctype` because it's missing a bunch of stuff. In particular, it's missing a `tolower()` member function, which is what MSVC's STL wants.
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