1 files changed, 1 insertions, 0 deletions
diff --git a/perl.h b/perl.h
index 4cfb29c82d..a680e763ce 100644
--- a/perl.h
+++ b/perl.h
@@ -3901,6 +3901,7 @@ Gid_t getegid (void);
 #define PERL_MAGIC_rhash	  '%' /* extra data for restricted hashes */
 #define PERL_MAGIC_arylen_p	  '@' /* to move arylen out of XPVAV */
 #define PERL_MAGIC_ext		  '~' /* Available for use by extensions */
+#define PERL_MAGIC_checkcall	  ']' /* inlining/mutation of call to this CV */
 
 #if defined(DEBUGGING) && defined(I_ASSERT)
 #  include <assert.h>