[PATCH (pushed)] ranger: add override keyword

[Martin Liška]

Fixes the following clang warning:
gcc/gimple-range-op.cc:310:16: warning: 'fold_range' overrides a member 
function but is not marked 'override' [-Winconsistent-missing-override]

gcc/ChangeLog:

        * gimple-range-op.cc: Add override keyword.
---
 gcc/gimple-range-op.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/gimple-range-op.cc b/gcc/gimple-range-op.cc
index abc33e7af0c..bc4389eb2e1 100644
--- a/gcc/gimple-range-op.cc
+++ b/gcc/gimple-range-op.cc
@@ -308,7 +308,7 @@ public:
   using range_operator_float::fold_range;
   using range_operator_float::op1_range;
   virtual bool fold_range (irange &r, tree type, const frange &lh,
-                          const irange &, relation_kind) const
+                          const irange &, relation_kind) const override
   {
     bool signbit;
     if (lh.signbit_p (signbit))
-- 
2.37.3