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-rw-r--r--include/ruby/ruby.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index a9fd974614..38edfb3965 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -1078,8 +1078,8 @@ VALUE rb_id2str(ID);
/* __builtin_constant_p and statement expression is available
* since gcc-2.7.2.3 at least. */
#define rb_intern(str) \
- (__builtin_constant_p(str) ? \
- __extension__ (CONST_ID_CACHE(/**/, str)) : \
+ (__builtin_constant_p(str) ?
+ __extension__ (CONST_ID_CACHE((ID), str)) : \
rb_intern(str))
#define rb_intern_const(str) \
(__builtin_constant_p(str) ? \