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What happened to Clang's __declspec(empty_bases)? #178

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What happened to Clang's __declspec(empty_bases)?#178
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@frederick-vs-ja
frederick-vs-ja
opened on Oct 14, 2024

#124 added usage of __declspec(empty_bases) which enforces (?) EBCO, but it wasn't enabled for Clang.

proxy/proxy.h

Lines 26 to 30 in 52ab85b

#if defined(_MSC_VER) && !defined(__clang__)
#define ___PRO_ENFORCE_EBO __declspec(empty_bases)
#else
#define ___PRO_ENFORCE_EBO
#endif // defined(_MSC_VER) && !defined(__clang__)

I'm sure that Clang supports __declspec(empty_bases) in MS-compatible mode. And per DevCom-10588147, MSVC formerly behaved worse than Clang.

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