Fix assertion in RangeIterator to handle types of T, not int

src/libraries/System.Linq/src/System/Linq/Range.cs

@@ -38,7 +38,7 @@ private sealed partial class RangeIterator<T> : Iterator<T> where T : INumber<T>
 
             public RangeIterator(T start, T endExclusive)
             {
-                Debug.Assert(int.CreateChecked(endExclusive - start) >= 0);
+                Debug.Assert(endExclusive - start >= T.Zero);
                 _start = start;
                 _endExclusive = endExclusive;
             }

src/libraries/System.Linq/tests/SequenceTests.cs

@@ -242,6 +242,13 @@ public void SmallIntegers_ProducesFullRange()
             }
         }
 
+        [Fact]
+        public void LargeSequence_TryUseRange()
+        {
+            var sequence = Enumerable.Sequence(0L, 2L + int.MaxValue, 1L);
+            Assert.Equal(0L, sequence.First());
+        }
+
         private sealed class ReferenceAddable(int value) : INumber<ReferenceAddable>
         {
             public static ReferenceAddable One => throw new NotImplementedException();