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-rw-r--r--gcc/ada/sem_eval.ads5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/ada/sem_eval.ads b/gcc/ada/sem_eval.ads
index b59fb6c1137..b689b80011d 100644
--- a/gcc/ada/sem_eval.ads
+++ b/gcc/ada/sem_eval.ads
@@ -159,6 +159,11 @@ package Sem_Eval is
-- customer for this procedure is Sem_Attr (because Eval_Attribute is
-- there). There is also one special case arising from ranges (see body of
-- Resolve_Range).
+ --
+ -- Note: this procedure is also called by GNATprove on real literals
+ -- that are not sub-expressions of static expressions, to convert them to
+ -- machine numbers, as GNATprove cannot perform this conversion contrary
+ -- to gigi.
procedure Check_String_Literal_Length (N : Node_Id; Ttype : Entity_Id);
-- N is either a string literal, or a constraint error node. In the latter