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-rw-r--r--gcc/coretypes.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/coretypes.h b/gcc/coretypes.h
index 1ac6f0a..00c1c58 100644
--- a/gcc/coretypes.h
+++ b/gcc/coretypes.h
@@ -100,6 +100,7 @@ struct gimple;
typedef gimple *gimple_seq;
struct gimple_stmt_iterator;
class code_helper;
+enum tree_index : unsigned;
/* Forward declare rtx_code, so that we can use it in target hooks without
needing to pull in rtl.h. */