Warning suppression in test.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@131343 91177308-0d34-0410-b5e6-96231b3b80d8

test/numerics/rand/rand.adapt/rand.adapt.ibits/eval.pass.cpp

@@ -39,8 +39,6 @@ public:
 
     explicit rand1(result_type sd = Min) : x_(sd)
     {
-        if (x_ < Min)
-            x_ = Min;
         if (x_ > Max)
             x_ = Max;
     }