_GL_HAS_BUILTIN_OVERFLOW_P 256 maint/gnulib/lib/intprops.h # define _GL_HAS_BUILTIN_OVERFLOW_P 0 _GL_HAS_BUILTIN_OVERFLOW_P 258 maint/gnulib/lib/intprops.h # define _GL_HAS_BUILTIN_OVERFLOW_P __has_builtin (__builtin_mul_overflow_p) _GL_HAS_BUILTIN_OVERFLOW_P 260 maint/gnulib/lib/intprops.h # define _GL_HAS_BUILTIN_OVERFLOW_P (7 <= __GNUC__)