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-rw-r--r--include/ruby/internal/constant_p.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/ruby/internal/constant_p.h b/include/ruby/internal/constant_p.h
index 64ff8e628a..92d69cb972 100644
--- a/include/ruby/internal/constant_p.h
+++ b/include/ruby/internal/constant_p.h
@@ -28,6 +28,7 @@
*/
#include "ruby/internal/has/builtin.h"
+/** Wraps (or simulates) `__builtin_constant_p` */
#if RBIMPL_HAS_BUILTIN(__builtin_constant_p)
# define RBIMPL_CONSTANT_P(expr) __builtin_constant_p(expr)
#else