diagnose_if.h

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#ifndef RBIMPL_ATTR_DIAGNOSE_IF_H                    /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_ATTR_DIAGNOSE_IF_H
#include "ruby/internal/has/attribute.h"
#include "ruby/internal/warning_push.h"
 
#if RBIMPL_COMPILER_BEFORE(Clang, 5, 0, 0)
# /* https://bugs.llvm.org/show_bug.cgi?id=34319 */
# define RBIMPL_ATTR_DIAGNOSE_IF(_, __, ___) /* void */
 
#elif RBIMPL_HAS_ATTRIBUTE(diagnose_if)
# define RBIMPL_ATTR_DIAGNOSE_IF(_, __, ___) \
    RBIMPL_WARNING_PUSH() \
    RBIMPL_WARNING_IGNORED(-Wgcc-compat) \
    __attribute__((__diagnose_if__(_, __, ___))) \
    RBIMPL_WARNING_POP()
 
#else
# define RBIMPL_ATTR_DIAGNOSE_IF(_, __, ___) /* void */
#endif
 
#endif /* RBIMPL_ATTR_DIAGNOSE_IF_H */