1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c
index 2571d4d65dc..f414def06bd 100644
--- a/gcc/cfgrtl.c
+++ b/gcc/cfgrtl.c
@@ -2136,6 +2136,12 @@ rtl_verify_flow_info (void)
       edge e;
       edge_iterator ei;
 
+      if (bb->predictions)
+	{
+	  error ("bb prediction set for block %i, but it is not used in RTL land", bb->index);
+	  err = 1;
+	}
+
       FOR_EACH_EDGE (e, ei, bb->succs)
 	if (e->flags & EDGE_FALLTHRU)
 	  break;