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Avoid forward declare std::exception on clang-cl 

It will prevent clang-cl to output the warning [ignored-attributes].
This commit is contained in:
Marcus Ong 2018-02-25 18:24:45 -06:00
parent afb85ea34e
commit 3fd8931d9d
1 changed files with 6 additions and 3 deletions
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5
runtime/Cpp/runtime/src/antlr4-common.h
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@ -78,9 +78,12 @@
#endif
#endif
#if defined(_MSC_VER) && !defined(__clang__)
// clang-cl should escape this to prevent [ignored-attributes].
namespace std {
class ANTLR4CPP_PUBLIC exception; // Needed for VS 2015.
class ANTLR4CPP_PUBLIC exception; // Prevents warning C4275 from MSVC.
} // namespace std
#endif
#elif defined(__APPLE__)
typedef std::u32string UTF32String;