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-rw-r--r--intrpvar.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/intrpvar.h b/intrpvar.h
index 20df3050f3..650eb62c8e 100644
--- a/intrpvar.h
+++ b/intrpvar.h
@@ -43,9 +43,9 @@ PERLVAR(Istack_base, SV **)
PERLVAR(Istack_max, SV **)
PERLVAR(Iscopestack, I32 *) /* scopes we've ENTERed */
-#ifdef DEBUGGING
-PERLVAR(Iscopestack_name, const char * *) /* name of the scopes we've ENTERed */
-#endif
+/* name of the scopes we've ENTERed. Only used with -DDEBUGGING, but needs to be
+ present always, as -DDEUBGGING must be binary compatible with non. */
+PERLVARI(Iscopestack_name, const char * *, NULL)
PERLVAR(Iscopestack_ix, I32)
PERLVAR(Iscopestack_max,I32)