[Ada] Justify false positive message from CodePeer analysis of GNAT

gcc/ada/

	* libgnat/s-exponu.adb (Exponu): Add annotation.

diff --git a/gcc/ada/libgnat/s-exponu.adb b/gcc/ada/libgnat/s-exponu.adb
index 06ed5099c2505dff4eb68bbb23f938f636b52753..2885d6b4f1942a5d0ab68f1c3c560487afb1fa7d 100644 (file)
--- a/gcc/ada/libgnat/s-exponu.adb
+++ b/gcc/ada/libgnat/s-exponu.adb
@@ -64,6 +64,9 @@ begin
          pragma Loop_Invariant (Exp > 0);
          pragma Loop_Invariant (Result * Factor ** Exp = Left ** Right);
          pragma Loop_Variant (Decreases => Exp);
+         pragma Annotate
+           (CodePeer, False_Positive,
+            "validity check", "confusion on generated code");
 
          if Exp rem 2 /= 0 then
             pragma Assert