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-rw-r--r--gcc/et-forest.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/et-forest.c b/gcc/et-forest.c
index d106316..fe72374 100644
--- a/gcc/et-forest.c
+++ b/gcc/et-forest.c
@@ -33,7 +33,7 @@ License along with libiberty; see the file COPYING3. If not see
#undef DEBUG_ET
#ifdef DEBUG_ET
-#include "basic-block.h"
+#include "basic-block.h" /* To access index in record_path_before_1. */
#endif
/* The occurrence of a node in the et tree. */