[SCEV] Make setRange take ConstantRange by value instead of rvalue reference so we don't force anything on the caller.

llvm-svn: 302449

include/llvm/Analysis/ScalarEvolution.h

@@ -782,7 +782,7 @@ private:
 
   /// Set the memoized range for the given SCEV.
   const ConstantRange &setRange(const SCEV *S, RangeSignHint Hint,
-                                ConstantRange &&CR) {
+                                ConstantRange CR) {
     DenseMap<const SCEV *, ConstantRange> &Cache =
         Hint == HINT_RANGE_UNSIGNED ? UnsignedRanges : SignedRanges;