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P2985R0 is_virtual_base_of #4770

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StephanTLavavej opened this issue Jun 30, 2024 · 1 comment
Open

P2985R0 is_virtual_base_of #4770

StephanTLavavej opened this issue Jun 30, 2024 · 1 comment
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compiler Compiler work involved cxx26 C++26 feature

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@StephanTLavavej
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StephanTLavavej commented Jun 30, 2024 •
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WG21-P2985R0 is_virtual_base_of

Feature-test macro:

#define __cpp_lib_is_virtual_base_of 202406L

Clang's compiler builtin will be named __is_virtual_base_of, see llvm/llvm-project#98310. MSVC and EDG should follow suit.

Note: We're focused on implementing the remaining library-only features in C++23. Until that's done, we will NOT be accepting PRs for C++26 features.
@StephanTLavavej StephanTLavavej added compiler Compiler work involved cxx26 C++26 feature labels Jun 30, 2024
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As per LLVM-98310, Clang changed to use __builtin_is_virtual_base_of later.

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compiler Compiler work involved cxx26 C++26 feature
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