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-rw-r--r--gcc/system.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/system.h b/gcc/system.h
index c0f08a99ed1..92d854c7fd8 100644
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -1100,7 +1100,7 @@ helper_const_non_const_cast (const char *p)
#endif
#endif
#define CONST_CAST(TYPE,X) CONST_CAST2 (TYPE, const TYPE, (X))
-#define CONST_CAST_TREE(X) CONST_CAST (union tree_node *, (X))
+#define CONST_CAST_TREE(X) CONST_CAST (struct tree_node *, (X))
#define CONST_CAST_RTX(X) CONST_CAST (struct rtx_def *, (X))
#define CONST_CAST_RTX_INSN(X) CONST_CAST (struct rtx_insn *, (X))
#define CONST_CAST_BB(X) CONST_CAST (struct basic_block_def *, (X))