1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree.h b/gcc/tree.h
index 3a22628..9f2d707 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -1156,6 +1156,11 @@ extern void omp_clause_range_check_failed (const tree, const char *, int,
 
 #define TREE_OVERFLOW(NODE) (CST_CHECK (NODE)->base.public_flag)
 
+/* TREE_OVERFLOW can only be true for EXPR of CONSTANT_CLASS_P.  */
+
+#define TREE_OVERFLOW_P(EXPR) \
+ (CONSTANT_CLASS_P (EXPR) && TREE_OVERFLOW (EXPR))
+
 /* In a VAR_DECL, FUNCTION_DECL, NAMESPACE_DECL or TYPE_DECL,
    nonzero means name is to be accessible from outside this module.
    In an IDENTIFIER_NODE, nonzero means an external declaration