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-rw-r--r--include/ruby/internal/attr/constexpr.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/ruby/internal/attr/constexpr.h b/include/ruby/internal/attr/constexpr.h
index dabb72434b..3e5feaf85c 100644
--- a/include/ruby/internal/attr/constexpr.h
+++ b/include/ruby/internal/attr/constexpr.h
@@ -67,7 +67,7 @@
# define RBIMPL_ATTR_CONSTEXPR(_) constexpr
#elif RBIMPL_HAS_ATTR_CONSTEXPR_CXX11
-# define RBIMPL_ATTR_CONSTEXPR(_) RBIMPL_TOKEN_PASTE(RBIMPL_ATTR_CONSTEXPR_, _)
+# define RBIMPL_ATTR_CONSTEXPR(_) RBIMPL_ATTR_CONSTEXPR_ ## _
# define RBIMPL_ATTR_CONSTEXPR_CXX11 constexpr
# define RBIMPL_ATTR_CONSTEXPR_CXX14 /* void */