1 files changed, 2 insertions, 0 deletions
diff --git a/types.h b/types.h
index b69c525..513741b 100644
--- a/types.h
+++ b/types.h
@@ -777,6 +777,8 @@ typedef struct Typer {
 	FnExpr *fn; /* the function we're currently parsing. */
 	char *pkg_name;
 	ErrCtx *err_ctx;
+	/* for checking for problematic struct circular dependencies */
+	bool *is_reference_stack;
 } Typer;
 
 typedef struct Package {